diff --git a/.github/plugin/marketplace.json b/.github/plugin/marketplace.json
index 8677354b..6c0efd27 100644
--- a/.github/plugin/marketplace.json
+++ b/.github/plugin/marketplace.json
@@ -1515,7 +1515,7 @@
       "name": "sentry-triage",
       "source": "plugins/sentry-triage",
       "description": "Scan live Sentry issues in a Copilot canvas, group them by urgency, and hand issues off for tracking or a fix PR.",
-      "version": "1.1.0"
+      "version": "1.2.0"
     },
     {
       "name": "signals-dashboard",
diff --git a/extensions/sentry-triage/components/card.mjs b/extensions/sentry-triage/components/card.mjs
index 4ad20d12..b8c9259f 100644
--- a/extensions/sentry-triage/components/card.mjs
+++ b/extensions/sentry-triage/components/card.mjs
@@ -2,7 +2,9 @@ import { escapeHtml, safeHref } from '../escape.mjs'
 
 function statusLabel(workStatus) {
   if (!workStatus || typeof workStatus !== 'object') return ''
-  if (workStatus.phase === 'working' || workStatus.phase === 'queued') return '⏳ working…'
+  if (workStatus.phase === 'working' || workStatus.phase === 'queued') {
+    return workStatus.copilotFix ? '⏳ starting Copilot fix session…' : '⏳ filing tracking issue…'
+  }
   if (workStatus.phase === 'done') {
     // Numbers move into clickable links (statusLinks); keep the label a plain badge.
     return 'created ✓'
diff --git a/extensions/sentry-triage/components/page.mjs b/extensions/sentry-triage/components/page.mjs
index 46460a66..0f358904 100644
--- a/extensions/sentry-triage/components/page.mjs
+++ b/extensions/sentry-triage/components/page.mjs
@@ -48,6 +48,7 @@ export function Page({
   prTargets,
   prSettingsOpen,
   plainEnglishView = false,
+  plainEnglishEnriching = false,
   projects = [],
   availableModels = [],
   issueTrackers,
@@ -313,14 +314,14 @@ export function Page({
     </div>
 
     <div id="title-mode-bar" class="title-mode-bar" style="${hasOrg && totalIssues > 0 ? '' : 'display:none;'}">
-      <label class="switch-label" for="title-mode-switch" title="Switch every card title between the raw Sentry error and a plain-English summary">
+      <label class="switch-label" for="title-mode-switch" title="Switch every card message between the raw Sentry error and a plain-English summary">
         <span class="switch">
-          <input type="checkbox" id="title-mode-switch" class="switch-input"${plainEnglishView ? ' checked' : ''} />
+          <input type="checkbox" id="title-mode-switch" class="switch-input"${plainEnglishView ? ' checked' : ''}${plainEnglishEnriching ? ' disabled' : ''} />
           <span class="switch-slider" aria-hidden="true"></span>
         </span>
-        <span class="switch-text">Plain-English titles</span>
+        <span class="switch-text">Plain-English messages</span>
       </label>
-      <span class="title-mode-hint">Showing <strong id="title-mode-state">${plainEnglishView ? 'plain-English summaries' : 'raw errors'}</strong></span>
+      <span class="title-mode-hint">${plainEnglishEnriching ? '<strong id="title-mode-state">Preparing plain-English summaries — toggle available shortly…</strong>' : `Showing <strong id="title-mode-state">${plainEnglishView ? 'plain-English summaries' : 'raw errors'}</strong>`}</span>
     </div>
 
     <main id="categories">
@@ -406,6 +407,10 @@ export function Page({
       // is already running for a slug, later callers (e.g. the Scan/Fetch gate)
       // queue here and are flushed when it settles, instead of being dropped.
       const projectResolveWaiters = {};
+      // Ceiling for a single exact-slug lookup before we give up and report a
+      // transient failure. Generous enough to absorb a normal queue wait behind
+      // an in-progress scan, short enough that the user is never stranded.
+      const RESOLVE_TIMEOUT_MS = 20000;
       function projectResolveKey(org, slug) {
         return String(org || "").trim().toLowerCase() + "/" + String(slug || "").trim().toLowerCase();
       }
@@ -431,6 +436,10 @@ export function Page({
         // An empty project scans all projects and needs no lookup.
         verifyProjectForScan(org, project).then((v) => {
           if (!v.ok) {
+            // "stale" means the user changed the org/project while the lookup was
+            // in flight — they've already moved on, so don't scan the old scope
+            // and don't nag them about a slug they abandoned.
+            if (v.reason === "stale") return;
             showToast(v.reason === "missing"
               ? "No project \u201C" + project + "\u201D in " + org + " — check the slug."
               : "Couldn't verify that project with Sentry — try again.");
@@ -699,6 +708,7 @@ export function Page({
       let lastAutoFetchedOrgDefault = "";
       let currentAvailableModels = ${jsonForScript(Array.isArray(availableModels) ? availableModels : [])};
       let currentPlainEnglishView = ${jsonForScript(plainEnglishView)};
+      let currentPlainEnglishEnriching = ${jsonForScript(plainEnglishEnriching)};
       let currentScanError = ${jsonForScript(scanError || '')};
       let currentScannedTotal = ${jsonForScript(scannedTotal)};
       let currentScannedCapped = ${jsonForScript(scannedCapped)};
@@ -741,7 +751,7 @@ export function Page({
 
       function statusText(status) {
         if (!status || typeof status !== "object") return "";
-        if (status.phase === "queued" || status.phase === "working") return "⏳ working…";
+        if (status.phase === "queued" || status.phase === "working") return status.copilotFix ? "⏳ starting Copilot fix session…" : "⏳ filing tracking issue…";
         if (status.phase === "skipped") return "🔒 already being worked on";
         if (status.phase === "tracked") return "👀 Tracked";
         if (status.phase === "done") {
@@ -1089,17 +1099,34 @@ export function Page({
           if (psel && psel.value !== msg.period) psel.value = msg.period;
         }
         if (Array.isArray(msg.periods)) currentPeriods = msg.periods;
+        if (typeof msg.plainEnglishEnriching === "boolean" && msg.plainEnglishEnriching !== currentPlainEnglishEnriching) {
+          currentPlainEnglishEnriching = msg.plainEnglishEnriching;
+          syncTitleSwitch();
+        }
         if (Array.isArray(msg.projects)) {
           const forOrg = typeof msg.projectsOrg === "string" ? msg.projectsOrg.trim().toLowerCase() : "";
+          const projectsComplete = msg.projectsComplete === true;
+          // Keep-longest ONLY for streamed/incomplete snapshots. The server
+          // streams partial pages (each broadcast is a growing snapshot), and a
+          // discovery run that fails or is cut short mid-traversal publishes a
+          // truncated snapshot for an org we already have fully loaded — the
+          // dropdown "sometimes comes back much shorter" symptom. But a COMPLETE
+          // traversal is authoritative and may legitimately be shorter (projects
+          // deleted upstream), so it must be allowed to replace the cache —
+          // otherwise deleted slugs would linger in autocomplete for the panel's
+          // whole life. Growth within a run still lands normally.
+          const known = forOrg ? projectsByOrg[forOrg] : null;
+          const regression = !projectsComplete && Array.isArray(known) && known.length > msg.projects.length;
+          const projects = regression ? known : msg.projects;
           // Always cache under the org this list belongs to so re-selecting it is
           // instant next time.
-          if (forOrg) projectsByOrg[forOrg] = msg.projects;
+          if (forOrg && !regression) projectsByOrg[forOrg] = msg.projects;
           // Only paint the on-screen field if this broadcast matches the org the
           // user currently has selected — a background refresh for a previous org
           // must not clobber the current list.
           const sel = selectedOrgSlug();
           if (!forOrg || !sel || forOrg === sel) {
-            currentSentryProjects = msg.projects;
+            currentSentryProjects = projects;
             setProjectLoading(false);
             // Repaint whichever project field is on screen with the new options.
             if (currentOrg) renderProjectSwitcher();
@@ -1129,7 +1156,20 @@ export function Page({
           currentSavedDefaultOrg = msg.savedDefaultOrg;
           refreshDefaultBtn();
         }
-        if (Array.isArray(msg.availableModels)) currentAvailableModels = msg.availableModels;
+        if (Array.isArray(msg.availableModels)) {
+          currentAvailableModels = msg.availableModels;
+          // The host's model catalog can change under us (models ship or retire).
+          // Drop any per-card override whose id is no longer offered: otherwise the
+          // <select> falls back to rendering "Default" while modelByKey still holds
+          // the dead id, counts it as an override, and POSTs it — where the server
+          // silently discards it. Prune, then re-sync the card selects.
+          const validModelIds = new Set(currentAvailableModels.map((m) => m && m.id).filter(Boolean));
+          let prunedModelOverride = false;
+          for (const k of Object.keys(modelByKey)) {
+            if (!validModelIds.has(modelByKey[k])) { delete modelByKey[k]; prunedModelOverride = true; }
+          }
+          if (prunedModelOverride) syncCardModels();
+        }
         if (typeof msg.plainEnglishView === "boolean" && msg.plainEnglishView !== currentPlainEnglishView) {
           currentPlainEnglishView = msg.plainEnglishView;
           syncTitleSwitch();
@@ -1397,8 +1437,15 @@ export function Page({
         }
         projectResolveCache[key] = { status: "checking", slug: "" };
         // Record the settled entry, notify this caller, then flush anyone who
-        // queued while the request was in flight.
+        // queued while the request was in flight. Idempotent: whichever of the
+        // response and the timeout below fires first wins, and the loser is a
+        // no-op (so a late response can't overwrite the timeout's "error" and
+        // silently re-arm a lookup the user was already told had failed).
+        let settled = false;
         const settle = (entry) => {
+          if (settled) return;
+          settled = true;
+          clearTimeout(timer);
           projectResolveCache[key] = entry;
           if (onDone) onDone(entry);
           const waiters = projectResolveWaiters[key];
@@ -1407,6 +1454,13 @@ export function Page({
             for (const fn of waiters) { try { fn(entry); } catch (_) {} }
           }
         };
+        // Hard ceiling on a single lookup. The server side runs on a shared,
+        // strictly-serial Sentry SDK queue, so this request can end up waiting
+        // behind other work; without a bound the UI would sit on "Checking
+        // Sentry…" indefinitely with no way out. Settling as a transient "error"
+        // (not "missing") keeps the honest distinction — the user gets a
+        // "couldn't check — press Enter to retry" they can act on.
+        const timer = setTimeout(() => settle({ status: "error", slug: "" }), RESOLVE_TIMEOUT_MS);
         fetch("/api/resolve-project", {
           method: "POST",
           headers: { "Content-Type": "application/json" },
@@ -1430,6 +1484,14 @@ export function Page({
       // project is an all-projects scan (always allowed); a locally-known project
       // needs no lookup; anything else is verified via the shared resolver, reusing
       // its cache and in-flight de-duplication.
+      //
+      // Resolves { ok: false, reason: "stale" } if the user changed the org or
+      // project while the lookup was in flight. A slow lookup (it queues behind
+      // whatever else is using the shared Sentry SDK chain) can settle long after
+      // the user has moved on; without this guard its callback would go on to
+      // overwrite the project input and scan the OLD slug — the "I selected ace
+      // but it scanned github-app" bug. The autocomplete's Enter path has always
+      // had this guard; this brings the Scan/Fetch path in line.
       function verifyProjectForScan(org, project) {
         return new Promise((resolve) => {
           const o = String(org || "").trim().toLowerCase();
@@ -1446,7 +1508,15 @@ export function Page({
           if (rc && rc.status === "found") { resolve({ ok: true, slug: rc.slug || raw }); return; }
           if (rc && rc.status === "missing") { resolve({ ok: false, reason: "missing", slug: raw }); return; }
           if (rc && rc.status === "error") delete projectResolveCache[key];
+          // Snapshot the scope this lookup was started for, so a late completion
+          // can be discarded rather than applied to a scope the user has left.
+          const scopeStillCurrent = () => {
+            const inp = activeProjectInput();
+            const nowProject = inp ? inp.value.trim().toLowerCase() : p;
+            return selectedOrgSlug() === o && nowProject === p;
+          };
           resolveProjectSlug(o, p, (res) => {
+            if (!scopeStillCurrent()) { resolve({ ok: false, reason: "stale", slug: raw }); return; }
             if (res && res.status === "found") resolve({ ok: true, slug: res.slug || raw });
             else resolve({ ok: false, reason: (res && res.status) || "error", slug: raw });
           });
@@ -1843,9 +1913,16 @@ export function Page({
       // issue list; this keeps the toggle in sync with state (checkbox + hint).
       function syncTitleSwitch() {
         const box = document.getElementById("title-mode-switch");
-        if (box) box.checked = currentPlainEnglishView;
-        const state = document.getElementById("title-mode-state");
-        if (state) state.textContent = currentPlainEnglishView ? "plain-English summaries" : "raw errors";
+        if (box) {
+          box.checked = currentPlainEnglishView;
+          box.disabled = currentPlainEnglishEnriching;
+        }
+        const hint = document.querySelector(".title-mode-hint");
+        if (hint) {
+          hint.innerHTML = currentPlainEnglishEnriching
+            ? '<strong id="title-mode-state">Preparing plain-English summaries — toggle available shortly…</strong>'
+            : 'Showing <strong id="title-mode-state">' + (currentPlainEnglishView ? "plain-English summaries" : "raw errors") + '</strong>';
+        }
       }
 
       // Flip the whole canvas between raw error and plain-English titles. Optimistic:
@@ -1854,6 +1931,7 @@ export function Page({
       document.addEventListener("change", (e) => {
         const box = e.target.closest("#title-mode-switch");
         if (!box) return;
+        if (currentPlainEnglishEnriching) return;
         currentPlainEnglishView = box.checked;
         syncTitleSwitch();
         renderCategories(currentCategories);
@@ -1878,6 +1956,10 @@ export function Page({
         // empty project scans all projects and needs no lookup.
         verifyProjectForScan(org, project).then((v) => {
           if (!v.ok) {
+            // "stale" means the user changed the org/project while the lookup was
+            // in flight — they've already moved on, so don't scan the old scope
+            // and don't nag them about a slug they abandoned.
+            if (v.reason === "stale") return;
             showToast(v.reason === "missing"
               ? "No project \u201C" + project + "\u201D in " + org + " — check the slug."
               : "Couldn't verify that project with Sentry — try again.");
@@ -2167,7 +2249,7 @@ export function Page({
         const keys = startableSelectedKeys();
         if (keys.length === 0) return;
         keys.forEach((key) => {
-          workByIssue[key] = { phase: "queued" };
+          workByIssue[key] = { phase: "queued", copilotFix: false };
           selectedKeys.delete(key);
         });
         applySelections();
@@ -2184,12 +2266,12 @@ export function Page({
         const models = {};
         keys.forEach((key) => {
           if (modelByKey[key]) models[key] = modelByKey[key];
-          workByIssue[key] = { phase: "queued" };
+          workByIssue[key] = { phase: "queued", copilotFix: true };
           selectedKeys.delete(key);
         });
         applySelections();
         applyWorkStates();
-        showToast("🔧 Creating/reusing issues and starting Copilot for " + keys.length + " issues…");
+        showToast("🔧 Starting a background Copilot session for " + keys.length + " issue" + (keys.length === 1 ? "" : "s") + " — you can keep triaging while it runs…");
         postWorkSelected(keys, { keys, modelByKey: models, assignCopilot: true });
       });
 
diff --git a/extensions/sentry-triage/extension.mjs b/extensions/sentry-triage/extension.mjs
index a6553594..3abdf09a 100644
--- a/extensions/sentry-triage/extension.mjs
+++ b/extensions/sentry-triage/extension.mjs
@@ -205,6 +205,35 @@ function safeIssueKey(value) {
 
 const servers = new Map()
 
+// Live model catalog fetched from the host (session.rpc.model.list()), cached
+// here so a newly opened panel gets it immediately instead of waiting on
+// another RPC round trip. Stays null until the first successful fetch; every
+// server keeps its state.mjs static fallback list until then.
+let liveModels = null
+
+// Fetches the host's current model catalog and pushes it into every open
+// panel's state (plus caches it for panels opened afterward), so the picker
+// tracks whatever models the host makes available without editing this
+// extension's static list every time a model ships or is retired. Best-effort:
+// on any failure (older host, RPC error) every panel just keeps using the
+// static fallback list already seeded in state.mjs.
+async function refreshAvailableModels() {
+  try {
+    const result = await session.rpc.model.list()
+    const models = (result?.list || [])
+      .map((m) => ({ id: String(m?.id ?? ''), label: String(m?.name ?? m?.id ?? '') }))
+      .filter((m) => m.id)
+    if (models.length === 0) return
+    liveModels = models
+    for (const entry of servers.values()) {
+      entry.state.setAvailableModels(models)
+      entry.notifyClients()
+    }
+  } catch (err) {
+    console.error('[sentry-triage] could not fetch live model list, using static fallback:', err?.message || err)
+  }
+}
+
 // Maps an opaque per-work token -> { entry, key } for a "Work on selected"
 // hand-off. The spawned fix session echoes this token back via `submit_work_pr`
 // so the PR update lands on the EXACT canvas instance and issue that started the
@@ -739,6 +768,20 @@ OR
 {"status":"error","error":"plain explanation","issue":{"number":123,"url":"https://..."},"session":{"id":null,"name":""}}`
 }
 
+// Reset the plain-English enriching flag when an in-flight enrichment is
+// invalidated (scan generation bumped) by a path that will NOT start a
+// replacement scan to clear it. triageSentry's isCurrent() guard deliberately
+// stops a STALE scan from clearing a NEWER scan's flag; the side effect is that
+// an invalidation with no successor (a refresh that finds Sentry unreachable, or
+// a repo switch via onInvalidateEnrichment) would otherwise strand the flag
+// `true` forever and leave the plain-English toggle disabled. Clearing it here
+// is safe: a reachable scan's triageSentry re-sets it true before it drops the
+// scanning overlay, so the toggle is never interactive with a false flag.
+function resetEnrichingFlag(entry) {
+  entry.state.setPlainEnglishEnriching(false)
+  if (entry.notifyPlainEnglishEnriching) entry.notifyPlainEnglishEnriching(false)
+}
+
 async function triageSentry(entry) {
   if (entry.closed) return
   const org = entry.state.getOrg()
@@ -788,8 +831,16 @@ async function triageSentry(entry) {
     // 240s; blocking the whole board on it would leave the user staring at a
     // spinner. The card renderer already falls back to the raw title when
     // `plainEnglish` is absent, so an early render is fully usable.
+    // Set the enriching flag BEFORE publishing the categories snapshot so that
+    // snapshot already reports enrichment as in-progress. Publishing categories
+    // first would emit a snapshot saying enrichment is idle (re-enabling the
+    // toggle), and a user action slipping in before the separate
+    // plainEnglishEnriching:true event preserves a narrow version of the race
+    // this flag exists to remove.
+    entry.state.setPlainEnglishEnriching(true)
     entry.state.setCategories(categories)
     entry.notifyClients()
+    if (entry.notifyPlainEnglishEnriching) entry.notifyPlainEnglishEnriching(true)
     // End the scanning overlay NOW that the board is published — enrichment is
     // optional polish (plain-English titles + tracked badges) that streams in via
     // a later publish. Leaving the overlay up for the whole ≤240s enrich turn
@@ -805,7 +856,14 @@ async function triageSentry(entry) {
     // so a stale turn (a newer scan started meanwhile) can't apply its inbox data
     // over the newer scan's state.
     await enrichPlainEnglish(entry, categories, isCurrent)
+    // A stale turn (a newer scan started during our ≤240s enrich) must NOT clear
+    // or broadcast the shared enriching flag: doing so would re-enable the toggle
+    // while the newer scan is still enriching, recreating the exact race this
+    // flag prevents. Bail before touching it — the current scan owns the flag and
+    // clears it when IT finishes (and the guarded `finally` is the fallback).
     if (!isCurrent()) return
+    entry.state.setPlainEnglishEnriching(false)
+    if (entry.notifyPlainEnglishEnriching) entry.notifyPlainEnglishEnriching(false)
     entry.state.setCategories(categories)
     entry.notifyClients()
     console.error('[sentry-triage] Scan complete, categories:', categories.length, error ? `error: ${error}` : '')
@@ -821,6 +879,10 @@ async function triageSentry(entry) {
       entry.notifyClients()
     }
   } finally {
+    if (isCurrent()) {
+      entry.state.setPlainEnglishEnriching(false)
+      if (entry.notifyPlainEnglishEnriching) entry.notifyPlainEnglishEnriching(false)
+    }
     if (isCurrent() && entry.notifyScanning) entry.notifyScanning(false)
   }
 }
@@ -915,7 +977,7 @@ After the tool call(s), reply to the user with a confirmation sentence, then a b
 
 Triaged ${total} Sentry ${noun}.
 
-**📋 Next steps in the canvas:** Card titles show the raw Sentry error by default — flip the **Plain-English titles** switch above the issue list for readable summaries. Open the ⚙️ Settings panel to confirm the open-issue and draft-PR targets point at the right repo, then select issues to work.
+**📋 Next steps in the canvas:** Card titles show the raw Sentry error by default — flip the **Plain-English messages** switch above the issue list for readable summaries. Open the ⚙️ Settings panel to confirm the open-issue and draft-PR targets point at the right repo, then select issues to work.
 
 Keep it friendly and brief; do not include the summaries or JSON.
 
@@ -1134,19 +1196,62 @@ async function discoverProjects(entry, org, { force = false } = {}) {
   const conn = entry.state.getConnections()
   if (!conn || !conn.sentry || !conn.sentry.reachable) return
   if (!force && entry._projectsFetchedFor === slug) return
+  // Each page now releases the shared SDK queue, so discoveries for different
+  // orgs (A then B) can interleave. Stamp this discovery with a generation
+  // token; a newer discoverProjects call bumps it, and every publish below
+  // (streamed partial, final store, catch path) bails once superseded — so a
+  // slow org-A traversal can't write A's slugs into the snapshot after org B
+  // has taken over (which would leave org === B but projectsOrg === A).
+  const myGen = (entry._projectsGen = (entry._projectsGen || 0) + 1)
+  const isCurrentGen = () => entry._projectsGen === myGen && !entry.closed
   try {
+    // Seed the keep-longest guard from any list a PRIOR run already published for
+    // this org. The streamed partials below feed newly connected clients (they
+    // read this server snapshot), so an early page of a retry must not overwrite
+    // a longer prior result — the final-store guard alone can't protect a client
+    // that connects mid-stream.
+    const priorKnown = entry.state.getProjectsOrg() === slug ? entry.state.getProjects() : []
+    let storedLen = Array.isArray(priorKnown) ? priorKnown.length : 0
     // Stream results: push each page to the panel as it arrives so the first
     // ~100 projects light up the autocomplete in ~1s while the rest fill in.
-    const projects = await listProjects(slug, (partial) => {
-      entry.state.setProjects(partial, slug)
+    const { projects, complete } = await listProjects(slug, (partial) => {
+      // A newer discovery has superseded this one — drop the partial rather than
+      // publishing a stale org's slugs into the shared snapshot.
+      if (!isCurrentGen()) return
+      // Only store a partial that GROWS the snapshot beyond what's already
+      // published for this org. Within one traversal partials grow monotonically;
+      // this guard is what stops a retry's small first page from shrinking a
+      // longer prior list for clients that connect between pages.
+      if (!Array.isArray(partial) || partial.length <= storedLen) return
+      storedLen = partial.length
+      entry.state.setProjects(partial, slug, false)
       entry.notifyClients()
     })
-    entry._projectsFetchedFor = slug
-    entry.state.setProjects(projects, slug)
+    // Superseded while we were traversing: skip the final store (and the cache
+    // marker) so the winning discovery owns the snapshot.
+    if (!isCurrentGen()) return
+    // A COMPLETE traversal is authoritative: publish it as-is even if it's
+    // shorter than a prior run, so projects deleted upstream actually leave the
+    // dropdown. Only an INCOMPLETE traversal (a mid-mega-org page stall/failure)
+    // must be prevented from shrinking a longer list we already have — the
+    // "sometimes the list is much shorter" symptom. The finality flag rides
+    // along in the snapshot so the client applies the same rule.
+    const known = entry.state.getProjectsOrg() === slug ? entry.state.getProjects() : []
+    const best = complete
+      ? projects
+      : (Array.isArray(known) && known.length > projects.length ? known : projects)
+    // Only treat the list as definitively cached when the traversal actually
+    // ran to completion. A truncated run must stay retryable, otherwise the
+    // first unlucky attempt pins a partial list for the life of the panel.
+    if (complete) entry._projectsFetchedFor = slug
+    entry.state.setProjects(best, slug, complete)
     entry.notifyClients()
-    console.error('[sentry-triage] discovered projects for', slug, '->', projects.length)
+    console.error('[sentry-triage] discovered projects for', slug, '->', best.length)
   } catch (err) {
     console.error('[sentry-triage] project discovery failed:', err instanceof Error ? err.message : err)
+    // Superseded by a newer discovery — its own publish owns the snapshot; don't
+    // clobber it with this stale org's partial/empty list.
+    if (!isCurrentGen()) return
     // The client already received a 200 from POST /api/list-projects (that
     // request just kicks off this async fetch), so its own catch never runs and
     // the autocomplete's loading indicator would pulse forever. Push a project
@@ -1155,7 +1260,7 @@ async function discoverProjects(entry, org, { force = false } = {}) {
     // set `_projectsFetchedFor` here, so a later navigation or force refresh can
     // retry a transient failure instead of caching the empty result.
     const partial = entry.state.getProjectsOrg() === slug ? entry.state.getProjects() : []
-    entry.state.setProjects(partial, slug)
+    entry.state.setProjects(partial, slug, false)
     entry.notifyClients()
   }
 }
@@ -1236,6 +1341,11 @@ async function refreshAll(entry) {
   // generation up front fails their isCurrent() guard immediately. triageSentry()
   // bumps it again when it runs, which is fine.
   entry.scanGen = (entry.scanGen || 0) + 1
+  // The bump above invalidated any enrichment still in flight. Clear its flag now
+  // so a path that never runs a replacement triageSentry (the Sentry-unreachable
+  // return below) can't leave the plain-English toggle disabled forever. A
+  // reachable scan re-sets it true before dropping the overlay.
+  resetEnrichingFlag(entry)
   // Claim an ordering token for THIS refresh. The refresh endpoint is fire-and-
   // forget, so two rapid refresh/period/project actions can resolve out of order:
   // a slower, older refresh could publish stale connection state, clear the newer
@@ -1460,7 +1570,7 @@ async function onWorkSelected(entry, issueKeys, modelByKey, assignCopilot) {
     // error) before re-queuing, so stale issue/PR/session links don't survive the
     // shallow-merge into the new run's status.
     entry.state.startWorkAttempt(key)
-    entry.notifyWork(key, { phase: 'queued' })
+    entry.notifyWork(key, { phase: 'queued', copilotFix: wantsCopilot })
   }
 
   // On a timeout we must `return` (can't pile a new turn onto the shared session
@@ -1500,7 +1610,7 @@ async function onWorkSelected(entry, issueKeys, modelByKey, assignCopilot) {
     const workToken = randomUUID()
     workRegistry.set(workToken, { entry, key, scopeGen, authorizedRepo: prExpectedRepo, authorizedHost: allowedHost })
 
-    entry.notifyWork(key, { phase: 'working', error: '' })
+    entry.notifyWork(key, { phase: 'working', error: '', copilotFix: wantsCopilot })
     try {
       const response = await runSessionTurn(() => {
         // This closure runs only when the shared-session chain drains to it,
@@ -1665,7 +1775,7 @@ async function onWorkSelected(entry, issueKeys, modelByKey, assignCopilot) {
         // retry can't race the live session into a duplicate. Otherwise there's no
         // session to wait on — release the token and surface a retryable error.
         if (handedOff) {
-          entry.notifyWork(key, { phase: 'working' })
+          entry.notifyWork(key, { phase: 'working', copilotFix: wantsCopilot })
           scheduleWorkReconcile(entry, key, workToken, scopeCurrent)
           continue
         }
@@ -1776,7 +1886,7 @@ async function onWorkSelected(entry, issueKeys, modelByKey, assignCopilot) {
         // session and then dies without spawning, no callback ever arrives; the
         // bounded scheduleWorkReconcile below is the safety net that eventually
         // releases the token and returns the card to a retryable error.
-        entry.notifyWork(key, { phase: 'working' })
+        entry.notifyWork(key, { phase: 'working', copilotFix: wantsCopilot })
         scheduleWorkReconcile(entry, key, workToken, scopeCurrent)
         strandRemaining(i + 1)
         return
@@ -2040,10 +2150,19 @@ const session = await joinSession({
               // from the previous repo fails its isCurrent() guard and applies
               // none of its (now stale) tracking / related-issue data.
               entry.scanGen = (entry.scanGen || 0) + 1
+              // No replacement scan runs on a repo switch, so clear the enriching
+              // flag here too — otherwise the invalidated enrichment (barred from
+              // clearing it by its isCurrent() guard) would leave the toggle
+              // disabled forever.
+              resetEnrichingFlag(entry)
             },
             defaults: runtimeDefaults,
           })
           servers.set(ctx.instanceId, entry)
+          // Apply whatever live catalog we already fetched (best-effort; the
+          // static fallback in state.mjs stands until refreshAvailableModels
+          // resolves for the first time).
+          if (liveModels) entry.state.setAvailableModels(liveModels)
         } else if (runtimeDefaults.repo) {
           // Panel already existed (e.g. opened before the repo resolved) — top
           // up its targets now and push the update to any connected clients.
@@ -2094,3 +2213,8 @@ const session = await joinSession({
 // Now that we're joined to the host, resolve the driving session's real repo so
 // the PR/Issue targets default correctly (must run before any canvas opens).
 await seedDefaultsFromSession()
+
+// Kick off the live model catalog fetch in the background; the static list in
+// state.mjs stands until it resolves, so panels are usable immediately either
+// way. Not awaited: model.list() is best-effort and shouldn't delay startup.
+refreshAvailableModels()
diff --git a/extensions/sentry-triage/package.json b/extensions/sentry-triage/package.json
index f98cb2f0..525046d6 100644
--- a/extensions/sentry-triage/package.json
+++ b/extensions/sentry-triage/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sentry-triage",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "main": "extension.mjs",
   "author": "Liz Tom",
   "license": "MIT",
diff --git a/extensions/sentry-triage/sentry.mjs b/extensions/sentry-triage/sentry.mjs
index b294ed47..fa0fc142 100644
--- a/extensions/sentry-triage/sentry.mjs
+++ b/extensions/sentry-triage/sentry.mjs
@@ -16,8 +16,7 @@ import {
   orgList,
   projectView,
   issueList,
-  projectListRaw,
-  runSerial,
+  projectListPage,
   SentryError,
 } from './sentryClient.mjs'
 
@@ -221,52 +220,45 @@ export function categorize({ issues = [], regressed = new Set(), escalating = ne
 }
 
 // All project slugs in an org. Pages through the list (the API caps each page at
-// 100) so orgs with many projects are fully represented in the dropdown. The
-// loop is bounded and stops as soon as a page adds no new slugs, so it stays
-// safe even if the underlying cursor doesn't advance. Throws SentryError on an
-// auth/permission failure.
+// 100) so orgs with many projects are fully represented in the dropdown. Throws
+// SentryError on an auth/permission failure.
 //
 // `onPage(slugsSoFar)` — if provided, called after each page with a snapshot of
 // everything collected so far. This lets callers stream results to the UI: the
 // first ~100 projects land in ~1s and the rest fill in over the following
 // seconds, instead of the caller waiting for the whole (potentially large) list.
 export async function listProjects(org, onPage) {
-  // Run the ENTIRE paged traversal as one atomic SDK operation. The CLI resolves
-  // the symbolic "next" cursor through global per-command state, so pages must not
-  // interleave with each other or with any other SDK call (a concurrent issue
-  // scan, another instance's discovery, a second traversal of this same org).
-  // runSerial holds the module-wide queue for the whole loop, which guarantees
-  // that. Inside the task we use projectListRaw (un-queued) to avoid re-entering
-  // the queue we already hold.
-  return runSerial(() => listProjectsPaged(org, onPage))
-}
-
-async function listProjectsPaged(org, onPage) {
+  // Each page is its own runSerial task (see projectListPage), so a mega-org's
+  // traversal no longer holds the shared SDK queue end-to-end. That is what lets
+  // an interactive project.view lookup interleave and answer in ~1s instead of
+  // waiting out the whole list — the "Checking Sentry…" hang.
   const seen = new Set()
   const out = []
   const PAGE = 100
-  const MAX_PAGES = 20
-  // Wall-clock budget: mega-orgs (e.g. "github" has thousands of projects) can
-  // take minutes to fully page through, leaving the autocomplete spinning. Stop
-  // once we've spent this long and return what we have — the client filters the
-  // collected slugs, and a few hundred is plenty to type against. With streaming
-  // (onPage) the first page is usable almost immediately regardless.
-  const BUDGET_MS = 8000
-  const started = Date.now()
+  // Bound the traversal by PAGES, not wall-clock. A time budget made the result
+  // depend on how fast the network happened to be, so the same org yielded a
+  // different-length list run to run (and a slow run could cache a truncated list
+  // over a previously complete one). A page cap is deterministic: the same org
+  // always yields the same list.
+  const MAX_PAGES = 60
   let cursor
+  let complete = false
   for (let page = 0; page < MAX_PAGES; page++) {
-    let raw
+    let result
     try {
-      raw = await projectListRaw(org, PAGE, cursor)
+      result = await projectListPage(org, PAGE, cursor)
     } catch (err) {
       // A transient page failure (network blip / rate limit) mid-pagination must
-      // not discard the projects we already collected. Surface the error only
-      // when we have nothing at all (e.g. page 0 failed => likely auth/bad org).
+      // not discard the projects we already collected. Observed against a
+      // mega-org: the first pages return in ~300ms each and then a later page
+      // stalls before failing, so this path is routine, not exceptional. Surface
+      // the error only when we have nothing at all (e.g. page 0 failed => likely
+      // auth/bad org).
       if (out.length) break
       throw err
     }
     let added = 0
-    for (const slug of mapProjects(raw)) {
+    for (const slug of mapProjects(result.projects)) {
       if (seen.has(slug)) continue
       seen.add(slug)
       out.push(slug)
@@ -275,11 +267,26 @@ async function listProjectsPaged(org, onPage) {
     if (added && typeof onPage === 'function') {
       try { onPage(out.slice()) } catch { /* streaming is best-effort */ }
     }
-    if (raw.length < PAGE || added === 0) break
-    if (Date.now() - started > BUDGET_MS) break
-    cursor = 'next'
+    // Terminal condition: the SDK's own envelope says there are no further
+    // pages. A short page is NOT authoritative on its own — the SDK can return
+    // fewer than requested and still report hasMore:true — so `hasMore` is the
+    // only signal that marks the traversal complete and cacheable. (When the
+    // envelope omits hasMore, projectListPage defaults it to false, which
+    // conservatively ends the traversal rather than looping forever.)
+    if (!result.hasMore) { complete = true; break }
+    // The SDK says more pages exist but handed back no usable cursor to fetch
+    // them, or the cursor did not advance (it returned the same token again).
+    // Either way we can't safely continue, and the traversal is NOT complete —
+    // leave `complete` false so the caller keeps it retryable rather than
+    // pinning a truncated list. Detect this by CURSOR progress, not record
+    // content: a page can legitimately add zero new slugs (all duplicates or
+    // filtered records) while still advancing its cursor, and stopping on
+    // `added === 0` would pin that boundary so every retry halts there and later
+    // projects never reach the dropdown.
+    if (!result.nextCursor || result.nextCursor === cursor) break
+    cursor = result.nextCursor
   }
-  return out
+  return { projects: out, complete }
 }
 
 // Verify a specific project slug exists / is accessible. The org's project list
diff --git a/extensions/sentry-triage/sentryClient.mjs b/extensions/sentry-triage/sentryClient.mjs
index 7cba248f..85939b5c 100644
--- a/extensions/sentry-triage/sentryClient.mjs
+++ b/extensions/sentry-triage/sentryClient.mjs
@@ -143,9 +143,11 @@ async function getSdk() {
 //
 // `runSerial(task)` runs `task` only once all previously enqueued work has
 // settled, so at most one SDK operation is ever in flight process-wide. It is the
-// single choke point; the public functions below are thin queued wrappers, and
-// multi-call traversals (see projectListRaw) run as ONE task so their paging
-// can't interleave with anything.
+// single choke point; the public functions below are thin queued wrappers. Each
+// task should be a SINGLE SDK call: a multi-call traversal that holds the queue
+// for its whole run starves every interactive lookup behind it (see
+// projectListPage, which pages via an explicit cursor so each page queues
+// independently).
 let sdkQueue = Promise.resolve()
 
 export function runSerial(task) {
@@ -279,17 +281,39 @@ export async function orgList(limit = 100) {
   return runSerial(async () => asArray(await (await getSdk()).org.list({ limit })))
 }
 
-// Single-page project fetch within an org. Deliberately NOT wrapped in
-// runSerial on its own: the CLI's positional org/project value treats a BARE
-// slug as a *project*, so listing every project in an org requires the trailing
-// `<org>/` form — we normalize to exactly one trailing slash here. Raw project
-// objects (each has a `slug`). `cursor` navigates pages ("next"/"prev"/raw
-// cursor). Callers that page through the full list must instead run
-// projectListRaw inside a single runSerial task so the whole traversal is atomic
-// (see listProjects in sentry.mjs).
-export async function projectListRaw(org, limit = 100, cursor) {
+// Single page of an org's project list, fetched as its OWN queued task and
+// returning an explicit `nextCursor` so the caller can resume without holding
+// the queue between pages.
+//
+// This is what keeps a mega-org's multi-page traversal from starving the rest of
+// the UI. The symbolic "next" cursor resolves through the SDK's module-global
+// per-command state, so a traversal that used it had to hold the whole sdkQueue
+// for every page (otherwise an interleaved call would clobber that state) —
+// which meant a slow `github`-sized list blocked the O(1) project.view lookup
+// behind it for minutes and left "Checking Sentry…" spinning. The envelope's
+// `nextCursor` is a self-contained opaque token, so each page can be an
+// independent runSerial task and interactive lookups can slot in between them.
+//
+// The CLI's positional org/project value treats a BARE slug as a *project*, so
+// listing every project in an org requires the trailing `<org>/` form — we
+// normalize to exactly one trailing slash here.
+//
+// Returns { projects, nextCursor, hasMore }. `hasMore` is the SDK envelope's own
+// "there are further pages" signal (defaults to false when the envelope omits
+// it); `nextCursor` is '' unless the SDK handed back a usable opaque token. The
+// two are reported separately so the caller can tell "genuinely done" (hasMore
+// false) apart from "more pages exist but we have no cursor to fetch them" — the
+// latter is an incomplete traversal, not a terminal one, and must stay retryable.
+export async function projectListPage(org, limit = 100, cursor) {
   const orgProject = `${String(org || '').replace(/\/+$/, '')}/`
-  return asArray(await (await getSdk()).project.list({ orgProject, limit, ...(cursor ? { cursor } : {}) }))
+  const res = await runSerial(async () => (await getSdk()).project.list({ orgProject, limit, ...(cursor ? { cursor } : {}) }))
+  const projects = asArray(res)
+  // Only trust an explicit opaque cursor. A truthy `hasMore` without a usable
+  // `nextCursor` would otherwise tempt us back onto the symbolic "next" token
+  // and reintroduce the global-state coupling this function exists to avoid.
+  const next = res && typeof res === 'object' && typeof res.nextCursor === 'string' ? res.nextCursor.trim() : ''
+  const hasMore = res && typeof res === 'object' ? res.hasMore === true : false
+  return { projects, nextCursor: hasMore ? next : '', hasMore }
 }
 
 // Verify a specific project exists / is accessible via the SDK's O(1)
diff --git a/extensions/sentry-triage/server.mjs b/extensions/sentry-triage/server.mjs
index d4aef00e..35461b81 100644
--- a/extensions/sentry-triage/server.mjs
+++ b/extensions/sentry-triage/server.mjs
@@ -108,11 +108,13 @@ export function startServer({ port = 0, onRefresh, onAction, onWorkSelected, onR
       periods: PERIODS,
       projects: state.getProjects(),
       projectsOrg: state.getProjectsOrg(),
+      projectsComplete: state.getProjectsComplete(),
       connections: state.getConnections(),
       prTargets: state.getPrTargets(),
       availableModels: state.getAvailableModels(),
       prSettingsOpen: state.getPrSettingsOpen(),
       plainEnglishView: state.getPlainEnglishView(),
+      plainEnglishEnriching: state.getPlainEnglishEnriching(),
       issueTrackers: state.getIssueTrackers(),
       selectedTracker: state.getSelectedTracker(),
       workByIssueKey: state.getWorkByIssueKey(),
@@ -153,6 +155,15 @@ export function startServer({ port = 0, onRefresh, onAction, onWorkSelected, onR
     }
   }
 
+  // Broadcast plain-English enrichment start/stop so the client can disable the
+  // toggle (and show a "preparing…" hint) until summaries are ready.
+  function notifyPlainEnglishEnriching(isEnriching) {
+    const data = JSON.stringify({ plainEnglishEnriching: Boolean(isEnriching) })
+    for (const res of sseClients) {
+      res.write(`data: ${data}\n\n`)
+    }
+  }
+
   function handleRequest(req, res) {
     // Reject DNS-rebinding hosts on EVERY request (see the trust-model comment):
     // a rebinding page still carries its own hostname in `Host`, so anything but
@@ -546,6 +557,7 @@ export function startServer({ port = 0, onRefresh, onAction, onWorkSelected, onR
         notifyWork,
         notifyFlash,
         notifyScanning,
+        notifyPlainEnglishEnriching,
         close,
       })
     })
diff --git a/extensions/sentry-triage/state.mjs b/extensions/sentry-triage/state.mjs
index b1116b1b..7eb6fcfa 100644
--- a/extensions/sentry-triage/state.mjs
+++ b/extensions/sentry-triage/state.mjs
@@ -52,6 +52,12 @@ export function createState() {
   // SSE project broadcast to the right org (setup screen switches org before any
   // scan, so the panel's own org isn't a reliable signal).
   let projectsOrg = ''
+  // Finality of the current `projects` list: true only when the traversal that
+  // produced it ran to completion (SDK reported no further pages). A COMPLETE
+  // list is authoritative and may legitimately be shorter than a prior one
+  // (projects deleted upstream); an INCOMPLETE/streamed one must not shrink a
+  // longer list. Consumed by the client's keep-longest guard via the snapshot.
+  let projectsComplete = false
   // Sentry search window. Defaults to the last day; the user can widen it from
   // the issues list to look further back. Only Sentry's supported periods are
   // accepted (see PERIODS below).
@@ -68,6 +74,7 @@ export function createState() {
   // Sentry error. Canvas-wide, defaults to the raw error so on-call sees exactly
   // what Sentry reported first; the user can flip to plain English from the header.
   let plainEnglishView = false
+  let plainEnglishEnriching = false
   let selectedTracker = 'github'
   const workByIssueKey = {}
   // The issue trackers the "Work on selected" hand-off can file into. The agent
@@ -79,18 +86,27 @@ export function createState() {
     { id: 'linear', label: 'Linear', connected: true },
     { id: 'atlassian', label: 'Jira (Atlassian)', connected: true },
   ]
-  // Models the spawned remediation session can run under. The empty id means
-  // "let the session pick its default model"; every other id must match a value
-  // the host create_session tool accepts, or the hand-off would fail.
-  const availableModels = [
-    { id: '', label: 'Auto (session default)' },
+  // Models the spawned remediation session can run under. The empty id always
+  // means "let the session pick its default model". The rest of the list is
+  // seeded with a static fallback (used until the live catalog loads, or if
+  // that fetch ever fails) and is normally replaced at startup by
+  // setAvailableModels() with the host's live model list (see extension.mjs,
+  // which calls session.rpc.model.list()) so this never needs to be hand-edited
+  // again when new models ship.
+  const AUTO_MODEL = { id: '', label: 'Auto (session default)' }
+  const FALLBACK_MODELS = [
     { id: 'claude-sonnet-5', label: 'Claude Sonnet 5' },
+    { id: 'claude-opus-5', label: 'Claude Opus 5' },
     { id: 'claude-opus-4.8', label: 'Claude Opus 4.8' },
+    { id: 'gpt-5.6-sol', label: 'GPT-5.6 Sol' },
     { id: 'gpt-5.5', label: 'GPT-5.5' },
     { id: 'gpt-5.4', label: 'GPT-5.4' },
     { id: 'gpt-5.3-codex', label: 'GPT-5.3-Codex' },
+    { id: 'gemini-3.7-flash', label: 'Gemini 3.7 Flash' },
+    { id: 'grok-4.5', label: 'Grok 4.5' },
   ]
-  const MODEL_IDS = new Set(availableModels.map((model) => model.id))
+  let availableModels = [AUTO_MODEL, ...FALLBACK_MODELS]
+  let MODEL_IDS = new Set(availableModels.map((model) => model.id))
   const prTargets = {
     mode: 'local',
     model: '',
@@ -245,6 +261,10 @@ export function createState() {
       return projectsOrg
     },
 
+    getProjectsComplete() {
+      return projectsComplete
+    },
+
     getConnections() {
       return connections
     },
@@ -261,6 +281,26 @@ export function createState() {
       return availableModels
     },
 
+    // Replaces the model list with the host's live catalog (see
+    // session.rpc.model.list() in extension.mjs). Keeps the current selection
+    // if it's still valid in the new list; otherwise falls back to Auto so a
+    // model retired upstream can't leave prTargets pointing at a dead id.
+    setAvailableModels(models) {
+      const seen = new Set([''])
+      const deduped = []
+      for (const m of Array.isArray(models) ? models : []) {
+        const id = typeof m?.id === 'string' ? m.id.trim() : ''
+        const label = typeof m?.label === 'string' && m.label.trim() ? m.label.trim() : id
+        if (!id || seen.has(id)) continue
+        seen.add(id)
+        deduped.push({ id, label })
+      }
+      if (deduped.length === 0) return
+      availableModels = [AUTO_MODEL, ...deduped]
+      MODEL_IDS = new Set(availableModels.map((model) => model.id))
+      if (prTargets.model && !MODEL_IDS.has(prTargets.model)) prTargets.model = ''
+    },
+
     getIssueTrackers() {
       return issueTrackers
     },
@@ -289,7 +329,7 @@ export function createState() {
       project = typeof slug === 'string' ? slug.trim() : ''
     },
 
-    setProjects(list, org) {
+    setProjects(list, org, complete = false) {
       const seen = new Set()
       const out = []
       for (const item of Array.isArray(list) ? list : []) {
@@ -300,6 +340,7 @@ export function createState() {
       }
       projects = out
       if (typeof org === 'string') projectsOrg = org.trim().toLowerCase()
+      projectsComplete = complete === true
       return projects
     },
 
@@ -346,7 +387,17 @@ export function createState() {
       return plainEnglishView
     },
 
+    getPlainEnglishEnriching() {
+      return plainEnglishEnriching
+    },
+
+    setPlainEnglishEnriching(on) {
+      plainEnglishEnriching = Boolean(on)
+      return plainEnglishEnriching
+    },
+
     togglePlainEnglishView() {
+      if (plainEnglishEnriching) return plainEnglishView
       plainEnglishView = !plainEnglishView
       return plainEnglishView
     },
diff --git a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/components/card.mjs b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/components/card.mjs
index 4ad20d12..b8c9259f 100644
--- a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/components/card.mjs
+++ b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/components/card.mjs
@@ -2,7 +2,9 @@ import { escapeHtml, safeHref } from '../escape.mjs'
 
 function statusLabel(workStatus) {
   if (!workStatus || typeof workStatus !== 'object') return ''
-  if (workStatus.phase === 'working' || workStatus.phase === 'queued') return '⏳ working…'
+  if (workStatus.phase === 'working' || workStatus.phase === 'queued') {
+    return workStatus.copilotFix ? '⏳ starting Copilot fix session…' : '⏳ filing tracking issue…'
+  }
   if (workStatus.phase === 'done') {
     // Numbers move into clickable links (statusLinks); keep the label a plain badge.
     return 'created ✓'
diff --git a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/components/page.mjs b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/components/page.mjs
index 46460a66..0f358904 100644
--- a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/components/page.mjs
+++ b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/components/page.mjs
@@ -48,6 +48,7 @@ export function Page({
   prTargets,
   prSettingsOpen,
   plainEnglishView = false,
+  plainEnglishEnriching = false,
   projects = [],
   availableModels = [],
   issueTrackers,
@@ -313,14 +314,14 @@ export function Page({
     </div>
 
     <div id="title-mode-bar" class="title-mode-bar" style="${hasOrg && totalIssues > 0 ? '' : 'display:none;'}">
-      <label class="switch-label" for="title-mode-switch" title="Switch every card title between the raw Sentry error and a plain-English summary">
+      <label class="switch-label" for="title-mode-switch" title="Switch every card message between the raw Sentry error and a plain-English summary">
         <span class="switch">
-          <input type="checkbox" id="title-mode-switch" class="switch-input"${plainEnglishView ? ' checked' : ''} />
+          <input type="checkbox" id="title-mode-switch" class="switch-input"${plainEnglishView ? ' checked' : ''}${plainEnglishEnriching ? ' disabled' : ''} />
           <span class="switch-slider" aria-hidden="true"></span>
         </span>
-        <span class="switch-text">Plain-English titles</span>
+        <span class="switch-text">Plain-English messages</span>
       </label>
-      <span class="title-mode-hint">Showing <strong id="title-mode-state">${plainEnglishView ? 'plain-English summaries' : 'raw errors'}</strong></span>
+      <span class="title-mode-hint">${plainEnglishEnriching ? '<strong id="title-mode-state">Preparing plain-English summaries — toggle available shortly…</strong>' : `Showing <strong id="title-mode-state">${plainEnglishView ? 'plain-English summaries' : 'raw errors'}</strong>`}</span>
     </div>
 
     <main id="categories">
@@ -406,6 +407,10 @@ export function Page({
       // is already running for a slug, later callers (e.g. the Scan/Fetch gate)
       // queue here and are flushed when it settles, instead of being dropped.
       const projectResolveWaiters = {};
+      // Ceiling for a single exact-slug lookup before we give up and report a
+      // transient failure. Generous enough to absorb a normal queue wait behind
+      // an in-progress scan, short enough that the user is never stranded.
+      const RESOLVE_TIMEOUT_MS = 20000;
       function projectResolveKey(org, slug) {
         return String(org || "").trim().toLowerCase() + "/" + String(slug || "").trim().toLowerCase();
       }
@@ -431,6 +436,10 @@ export function Page({
         // An empty project scans all projects and needs no lookup.
         verifyProjectForScan(org, project).then((v) => {
           if (!v.ok) {
+            // "stale" means the user changed the org/project while the lookup was
+            // in flight — they've already moved on, so don't scan the old scope
+            // and don't nag them about a slug they abandoned.
+            if (v.reason === "stale") return;
             showToast(v.reason === "missing"
               ? "No project \u201C" + project + "\u201D in " + org + " — check the slug."
               : "Couldn't verify that project with Sentry — try again.");
@@ -699,6 +708,7 @@ export function Page({
       let lastAutoFetchedOrgDefault = "";
       let currentAvailableModels = ${jsonForScript(Array.isArray(availableModels) ? availableModels : [])};
       let currentPlainEnglishView = ${jsonForScript(plainEnglishView)};
+      let currentPlainEnglishEnriching = ${jsonForScript(plainEnglishEnriching)};
       let currentScanError = ${jsonForScript(scanError || '')};
       let currentScannedTotal = ${jsonForScript(scannedTotal)};
       let currentScannedCapped = ${jsonForScript(scannedCapped)};
@@ -741,7 +751,7 @@ export function Page({
 
       function statusText(status) {
         if (!status || typeof status !== "object") return "";
-        if (status.phase === "queued" || status.phase === "working") return "⏳ working…";
+        if (status.phase === "queued" || status.phase === "working") return status.copilotFix ? "⏳ starting Copilot fix session…" : "⏳ filing tracking issue…";
         if (status.phase === "skipped") return "🔒 already being worked on";
         if (status.phase === "tracked") return "👀 Tracked";
         if (status.phase === "done") {
@@ -1089,17 +1099,34 @@ export function Page({
           if (psel && psel.value !== msg.period) psel.value = msg.period;
         }
         if (Array.isArray(msg.periods)) currentPeriods = msg.periods;
+        if (typeof msg.plainEnglishEnriching === "boolean" && msg.plainEnglishEnriching !== currentPlainEnglishEnriching) {
+          currentPlainEnglishEnriching = msg.plainEnglishEnriching;
+          syncTitleSwitch();
+        }
         if (Array.isArray(msg.projects)) {
           const forOrg = typeof msg.projectsOrg === "string" ? msg.projectsOrg.trim().toLowerCase() : "";
+          const projectsComplete = msg.projectsComplete === true;
+          // Keep-longest ONLY for streamed/incomplete snapshots. The server
+          // streams partial pages (each broadcast is a growing snapshot), and a
+          // discovery run that fails or is cut short mid-traversal publishes a
+          // truncated snapshot for an org we already have fully loaded — the
+          // dropdown "sometimes comes back much shorter" symptom. But a COMPLETE
+          // traversal is authoritative and may legitimately be shorter (projects
+          // deleted upstream), so it must be allowed to replace the cache —
+          // otherwise deleted slugs would linger in autocomplete for the panel's
+          // whole life. Growth within a run still lands normally.
+          const known = forOrg ? projectsByOrg[forOrg] : null;
+          const regression = !projectsComplete && Array.isArray(known) && known.length > msg.projects.length;
+          const projects = regression ? known : msg.projects;
           // Always cache under the org this list belongs to so re-selecting it is
           // instant next time.
-          if (forOrg) projectsByOrg[forOrg] = msg.projects;
+          if (forOrg && !regression) projectsByOrg[forOrg] = msg.projects;
           // Only paint the on-screen field if this broadcast matches the org the
           // user currently has selected — a background refresh for a previous org
           // must not clobber the current list.
           const sel = selectedOrgSlug();
           if (!forOrg || !sel || forOrg === sel) {
-            currentSentryProjects = msg.projects;
+            currentSentryProjects = projects;
             setProjectLoading(false);
             // Repaint whichever project field is on screen with the new options.
             if (currentOrg) renderProjectSwitcher();
@@ -1129,7 +1156,20 @@ export function Page({
           currentSavedDefaultOrg = msg.savedDefaultOrg;
           refreshDefaultBtn();
         }
-        if (Array.isArray(msg.availableModels)) currentAvailableModels = msg.availableModels;
+        if (Array.isArray(msg.availableModels)) {
+          currentAvailableModels = msg.availableModels;
+          // The host's model catalog can change under us (models ship or retire).
+          // Drop any per-card override whose id is no longer offered: otherwise the
+          // <select> falls back to rendering "Default" while modelByKey still holds
+          // the dead id, counts it as an override, and POSTs it — where the server
+          // silently discards it. Prune, then re-sync the card selects.
+          const validModelIds = new Set(currentAvailableModels.map((m) => m && m.id).filter(Boolean));
+          let prunedModelOverride = false;
+          for (const k of Object.keys(modelByKey)) {
+            if (!validModelIds.has(modelByKey[k])) { delete modelByKey[k]; prunedModelOverride = true; }
+          }
+          if (prunedModelOverride) syncCardModels();
+        }
         if (typeof msg.plainEnglishView === "boolean" && msg.plainEnglishView !== currentPlainEnglishView) {
           currentPlainEnglishView = msg.plainEnglishView;
           syncTitleSwitch();
@@ -1397,8 +1437,15 @@ export function Page({
         }
         projectResolveCache[key] = { status: "checking", slug: "" };
         // Record the settled entry, notify this caller, then flush anyone who
-        // queued while the request was in flight.
+        // queued while the request was in flight. Idempotent: whichever of the
+        // response and the timeout below fires first wins, and the loser is a
+        // no-op (so a late response can't overwrite the timeout's "error" and
+        // silently re-arm a lookup the user was already told had failed).
+        let settled = false;
         const settle = (entry) => {
+          if (settled) return;
+          settled = true;
+          clearTimeout(timer);
           projectResolveCache[key] = entry;
           if (onDone) onDone(entry);
           const waiters = projectResolveWaiters[key];
@@ -1407,6 +1454,13 @@ export function Page({
             for (const fn of waiters) { try { fn(entry); } catch (_) {} }
           }
         };
+        // Hard ceiling on a single lookup. The server side runs on a shared,
+        // strictly-serial Sentry SDK queue, so this request can end up waiting
+        // behind other work; without a bound the UI would sit on "Checking
+        // Sentry…" indefinitely with no way out. Settling as a transient "error"
+        // (not "missing") keeps the honest distinction — the user gets a
+        // "couldn't check — press Enter to retry" they can act on.
+        const timer = setTimeout(() => settle({ status: "error", slug: "" }), RESOLVE_TIMEOUT_MS);
         fetch("/api/resolve-project", {
           method: "POST",
           headers: { "Content-Type": "application/json" },
@@ -1430,6 +1484,14 @@ export function Page({
       // project is an all-projects scan (always allowed); a locally-known project
       // needs no lookup; anything else is verified via the shared resolver, reusing
       // its cache and in-flight de-duplication.
+      //
+      // Resolves { ok: false, reason: "stale" } if the user changed the org or
+      // project while the lookup was in flight. A slow lookup (it queues behind
+      // whatever else is using the shared Sentry SDK chain) can settle long after
+      // the user has moved on; without this guard its callback would go on to
+      // overwrite the project input and scan the OLD slug — the "I selected ace
+      // but it scanned github-app" bug. The autocomplete's Enter path has always
+      // had this guard; this brings the Scan/Fetch path in line.
       function verifyProjectForScan(org, project) {
         return new Promise((resolve) => {
           const o = String(org || "").trim().toLowerCase();
@@ -1446,7 +1508,15 @@ export function Page({
           if (rc && rc.status === "found") { resolve({ ok: true, slug: rc.slug || raw }); return; }
           if (rc && rc.status === "missing") { resolve({ ok: false, reason: "missing", slug: raw }); return; }
           if (rc && rc.status === "error") delete projectResolveCache[key];
+          // Snapshot the scope this lookup was started for, so a late completion
+          // can be discarded rather than applied to a scope the user has left.
+          const scopeStillCurrent = () => {
+            const inp = activeProjectInput();
+            const nowProject = inp ? inp.value.trim().toLowerCase() : p;
+            return selectedOrgSlug() === o && nowProject === p;
+          };
           resolveProjectSlug(o, p, (res) => {
+            if (!scopeStillCurrent()) { resolve({ ok: false, reason: "stale", slug: raw }); return; }
             if (res && res.status === "found") resolve({ ok: true, slug: res.slug || raw });
             else resolve({ ok: false, reason: (res && res.status) || "error", slug: raw });
           });
@@ -1843,9 +1913,16 @@ export function Page({
       // issue list; this keeps the toggle in sync with state (checkbox + hint).
       function syncTitleSwitch() {
         const box = document.getElementById("title-mode-switch");
-        if (box) box.checked = currentPlainEnglishView;
-        const state = document.getElementById("title-mode-state");
-        if (state) state.textContent = currentPlainEnglishView ? "plain-English summaries" : "raw errors";
+        if (box) {
+          box.checked = currentPlainEnglishView;
+          box.disabled = currentPlainEnglishEnriching;
+        }
+        const hint = document.querySelector(".title-mode-hint");
+        if (hint) {
+          hint.innerHTML = currentPlainEnglishEnriching
+            ? '<strong id="title-mode-state">Preparing plain-English summaries — toggle available shortly…</strong>'
+            : 'Showing <strong id="title-mode-state">' + (currentPlainEnglishView ? "plain-English summaries" : "raw errors") + '</strong>';
+        }
       }
 
       // Flip the whole canvas between raw error and plain-English titles. Optimistic:
@@ -1854,6 +1931,7 @@ export function Page({
       document.addEventListener("change", (e) => {
         const box = e.target.closest("#title-mode-switch");
         if (!box) return;
+        if (currentPlainEnglishEnriching) return;
         currentPlainEnglishView = box.checked;
         syncTitleSwitch();
         renderCategories(currentCategories);
@@ -1878,6 +1956,10 @@ export function Page({
         // empty project scans all projects and needs no lookup.
         verifyProjectForScan(org, project).then((v) => {
           if (!v.ok) {
+            // "stale" means the user changed the org/project while the lookup was
+            // in flight — they've already moved on, so don't scan the old scope
+            // and don't nag them about a slug they abandoned.
+            if (v.reason === "stale") return;
             showToast(v.reason === "missing"
               ? "No project \u201C" + project + "\u201D in " + org + " — check the slug."
               : "Couldn't verify that project with Sentry — try again.");
@@ -2167,7 +2249,7 @@ export function Page({
         const keys = startableSelectedKeys();
         if (keys.length === 0) return;
         keys.forEach((key) => {
-          workByIssue[key] = { phase: "queued" };
+          workByIssue[key] = { phase: "queued", copilotFix: false };
           selectedKeys.delete(key);
         });
         applySelections();
@@ -2184,12 +2266,12 @@ export function Page({
         const models = {};
         keys.forEach((key) => {
           if (modelByKey[key]) models[key] = modelByKey[key];
-          workByIssue[key] = { phase: "queued" };
+          workByIssue[key] = { phase: "queued", copilotFix: true };
           selectedKeys.delete(key);
         });
         applySelections();
         applyWorkStates();
-        showToast("🔧 Creating/reusing issues and starting Copilot for " + keys.length + " issues…");
+        showToast("🔧 Starting a background Copilot session for " + keys.length + " issue" + (keys.length === 1 ? "" : "s") + " — you can keep triaging while it runs…");
         postWorkSelected(keys, { keys, modelByKey: models, assignCopilot: true });
       });
 
diff --git a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/extension.mjs b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/extension.mjs
index a6553594..3abdf09a 100644
--- a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/extension.mjs
+++ b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/extension.mjs
@@ -205,6 +205,35 @@ function safeIssueKey(value) {
 
 const servers = new Map()
 
+// Live model catalog fetched from the host (session.rpc.model.list()), cached
+// here so a newly opened panel gets it immediately instead of waiting on
+// another RPC round trip. Stays null until the first successful fetch; every
+// server keeps its state.mjs static fallback list until then.
+let liveModels = null
+
+// Fetches the host's current model catalog and pushes it into every open
+// panel's state (plus caches it for panels opened afterward), so the picker
+// tracks whatever models the host makes available without editing this
+// extension's static list every time a model ships or is retired. Best-effort:
+// on any failure (older host, RPC error) every panel just keeps using the
+// static fallback list already seeded in state.mjs.
+async function refreshAvailableModels() {
+  try {
+    const result = await session.rpc.model.list()
+    const models = (result?.list || [])
+      .map((m) => ({ id: String(m?.id ?? ''), label: String(m?.name ?? m?.id ?? '') }))
+      .filter((m) => m.id)
+    if (models.length === 0) return
+    liveModels = models
+    for (const entry of servers.values()) {
+      entry.state.setAvailableModels(models)
+      entry.notifyClients()
+    }
+  } catch (err) {
+    console.error('[sentry-triage] could not fetch live model list, using static fallback:', err?.message || err)
+  }
+}
+
 // Maps an opaque per-work token -> { entry, key } for a "Work on selected"
 // hand-off. The spawned fix session echoes this token back via `submit_work_pr`
 // so the PR update lands on the EXACT canvas instance and issue that started the
@@ -739,6 +768,20 @@ OR
 {"status":"error","error":"plain explanation","issue":{"number":123,"url":"https://..."},"session":{"id":null,"name":""}}`
 }
 
+// Reset the plain-English enriching flag when an in-flight enrichment is
+// invalidated (scan generation bumped) by a path that will NOT start a
+// replacement scan to clear it. triageSentry's isCurrent() guard deliberately
+// stops a STALE scan from clearing a NEWER scan's flag; the side effect is that
+// an invalidation with no successor (a refresh that finds Sentry unreachable, or
+// a repo switch via onInvalidateEnrichment) would otherwise strand the flag
+// `true` forever and leave the plain-English toggle disabled. Clearing it here
+// is safe: a reachable scan's triageSentry re-sets it true before it drops the
+// scanning overlay, so the toggle is never interactive with a false flag.
+function resetEnrichingFlag(entry) {
+  entry.state.setPlainEnglishEnriching(false)
+  if (entry.notifyPlainEnglishEnriching) entry.notifyPlainEnglishEnriching(false)
+}
+
 async function triageSentry(entry) {
   if (entry.closed) return
   const org = entry.state.getOrg()
@@ -788,8 +831,16 @@ async function triageSentry(entry) {
     // 240s; blocking the whole board on it would leave the user staring at a
     // spinner. The card renderer already falls back to the raw title when
     // `plainEnglish` is absent, so an early render is fully usable.
+    // Set the enriching flag BEFORE publishing the categories snapshot so that
+    // snapshot already reports enrichment as in-progress. Publishing categories
+    // first would emit a snapshot saying enrichment is idle (re-enabling the
+    // toggle), and a user action slipping in before the separate
+    // plainEnglishEnriching:true event preserves a narrow version of the race
+    // this flag exists to remove.
+    entry.state.setPlainEnglishEnriching(true)
     entry.state.setCategories(categories)
     entry.notifyClients()
+    if (entry.notifyPlainEnglishEnriching) entry.notifyPlainEnglishEnriching(true)
     // End the scanning overlay NOW that the board is published — enrichment is
     // optional polish (plain-English titles + tracked badges) that streams in via
     // a later publish. Leaving the overlay up for the whole ≤240s enrich turn
@@ -805,7 +856,14 @@ async function triageSentry(entry) {
     // so a stale turn (a newer scan started meanwhile) can't apply its inbox data
     // over the newer scan's state.
     await enrichPlainEnglish(entry, categories, isCurrent)
+    // A stale turn (a newer scan started during our ≤240s enrich) must NOT clear
+    // or broadcast the shared enriching flag: doing so would re-enable the toggle
+    // while the newer scan is still enriching, recreating the exact race this
+    // flag prevents. Bail before touching it — the current scan owns the flag and
+    // clears it when IT finishes (and the guarded `finally` is the fallback).
     if (!isCurrent()) return
+    entry.state.setPlainEnglishEnriching(false)
+    if (entry.notifyPlainEnglishEnriching) entry.notifyPlainEnglishEnriching(false)
     entry.state.setCategories(categories)
     entry.notifyClients()
     console.error('[sentry-triage] Scan complete, categories:', categories.length, error ? `error: ${error}` : '')
@@ -821,6 +879,10 @@ async function triageSentry(entry) {
       entry.notifyClients()
     }
   } finally {
+    if (isCurrent()) {
+      entry.state.setPlainEnglishEnriching(false)
+      if (entry.notifyPlainEnglishEnriching) entry.notifyPlainEnglishEnriching(false)
+    }
     if (isCurrent() && entry.notifyScanning) entry.notifyScanning(false)
   }
 }
@@ -915,7 +977,7 @@ After the tool call(s), reply to the user with a confirmation sentence, then a b
 
 Triaged ${total} Sentry ${noun}.
 
-**📋 Next steps in the canvas:** Card titles show the raw Sentry error by default — flip the **Plain-English titles** switch above the issue list for readable summaries. Open the ⚙️ Settings panel to confirm the open-issue and draft-PR targets point at the right repo, then select issues to work.
+**📋 Next steps in the canvas:** Card titles show the raw Sentry error by default — flip the **Plain-English messages** switch above the issue list for readable summaries. Open the ⚙️ Settings panel to confirm the open-issue and draft-PR targets point at the right repo, then select issues to work.
 
 Keep it friendly and brief; do not include the summaries or JSON.
 
@@ -1134,19 +1196,62 @@ async function discoverProjects(entry, org, { force = false } = {}) {
   const conn = entry.state.getConnections()
   if (!conn || !conn.sentry || !conn.sentry.reachable) return
   if (!force && entry._projectsFetchedFor === slug) return
+  // Each page now releases the shared SDK queue, so discoveries for different
+  // orgs (A then B) can interleave. Stamp this discovery with a generation
+  // token; a newer discoverProjects call bumps it, and every publish below
+  // (streamed partial, final store, catch path) bails once superseded — so a
+  // slow org-A traversal can't write A's slugs into the snapshot after org B
+  // has taken over (which would leave org === B but projectsOrg === A).
+  const myGen = (entry._projectsGen = (entry._projectsGen || 0) + 1)
+  const isCurrentGen = () => entry._projectsGen === myGen && !entry.closed
   try {
+    // Seed the keep-longest guard from any list a PRIOR run already published for
+    // this org. The streamed partials below feed newly connected clients (they
+    // read this server snapshot), so an early page of a retry must not overwrite
+    // a longer prior result — the final-store guard alone can't protect a client
+    // that connects mid-stream.
+    const priorKnown = entry.state.getProjectsOrg() === slug ? entry.state.getProjects() : []
+    let storedLen = Array.isArray(priorKnown) ? priorKnown.length : 0
     // Stream results: push each page to the panel as it arrives so the first
     // ~100 projects light up the autocomplete in ~1s while the rest fill in.
-    const projects = await listProjects(slug, (partial) => {
-      entry.state.setProjects(partial, slug)
+    const { projects, complete } = await listProjects(slug, (partial) => {
+      // A newer discovery has superseded this one — drop the partial rather than
+      // publishing a stale org's slugs into the shared snapshot.
+      if (!isCurrentGen()) return
+      // Only store a partial that GROWS the snapshot beyond what's already
+      // published for this org. Within one traversal partials grow monotonically;
+      // this guard is what stops a retry's small first page from shrinking a
+      // longer prior list for clients that connect between pages.
+      if (!Array.isArray(partial) || partial.length <= storedLen) return
+      storedLen = partial.length
+      entry.state.setProjects(partial, slug, false)
       entry.notifyClients()
     })
-    entry._projectsFetchedFor = slug
-    entry.state.setProjects(projects, slug)
+    // Superseded while we were traversing: skip the final store (and the cache
+    // marker) so the winning discovery owns the snapshot.
+    if (!isCurrentGen()) return
+    // A COMPLETE traversal is authoritative: publish it as-is even if it's
+    // shorter than a prior run, so projects deleted upstream actually leave the
+    // dropdown. Only an INCOMPLETE traversal (a mid-mega-org page stall/failure)
+    // must be prevented from shrinking a longer list we already have — the
+    // "sometimes the list is much shorter" symptom. The finality flag rides
+    // along in the snapshot so the client applies the same rule.
+    const known = entry.state.getProjectsOrg() === slug ? entry.state.getProjects() : []
+    const best = complete
+      ? projects
+      : (Array.isArray(known) && known.length > projects.length ? known : projects)
+    // Only treat the list as definitively cached when the traversal actually
+    // ran to completion. A truncated run must stay retryable, otherwise the
+    // first unlucky attempt pins a partial list for the life of the panel.
+    if (complete) entry._projectsFetchedFor = slug
+    entry.state.setProjects(best, slug, complete)
     entry.notifyClients()
-    console.error('[sentry-triage] discovered projects for', slug, '->', projects.length)
+    console.error('[sentry-triage] discovered projects for', slug, '->', best.length)
   } catch (err) {
     console.error('[sentry-triage] project discovery failed:', err instanceof Error ? err.message : err)
+    // Superseded by a newer discovery — its own publish owns the snapshot; don't
+    // clobber it with this stale org's partial/empty list.
+    if (!isCurrentGen()) return
     // The client already received a 200 from POST /api/list-projects (that
     // request just kicks off this async fetch), so its own catch never runs and
     // the autocomplete's loading indicator would pulse forever. Push a project
@@ -1155,7 +1260,7 @@ async function discoverProjects(entry, org, { force = false } = {}) {
     // set `_projectsFetchedFor` here, so a later navigation or force refresh can
     // retry a transient failure instead of caching the empty result.
     const partial = entry.state.getProjectsOrg() === slug ? entry.state.getProjects() : []
-    entry.state.setProjects(partial, slug)
+    entry.state.setProjects(partial, slug, false)
     entry.notifyClients()
   }
 }
@@ -1236,6 +1341,11 @@ async function refreshAll(entry) {
   // generation up front fails their isCurrent() guard immediately. triageSentry()
   // bumps it again when it runs, which is fine.
   entry.scanGen = (entry.scanGen || 0) + 1
+  // The bump above invalidated any enrichment still in flight. Clear its flag now
+  // so a path that never runs a replacement triageSentry (the Sentry-unreachable
+  // return below) can't leave the plain-English toggle disabled forever. A
+  // reachable scan re-sets it true before dropping the overlay.
+  resetEnrichingFlag(entry)
   // Claim an ordering token for THIS refresh. The refresh endpoint is fire-and-
   // forget, so two rapid refresh/period/project actions can resolve out of order:
   // a slower, older refresh could publish stale connection state, clear the newer
@@ -1460,7 +1570,7 @@ async function onWorkSelected(entry, issueKeys, modelByKey, assignCopilot) {
     // error) before re-queuing, so stale issue/PR/session links don't survive the
     // shallow-merge into the new run's status.
     entry.state.startWorkAttempt(key)
-    entry.notifyWork(key, { phase: 'queued' })
+    entry.notifyWork(key, { phase: 'queued', copilotFix: wantsCopilot })
   }
 
   // On a timeout we must `return` (can't pile a new turn onto the shared session
@@ -1500,7 +1610,7 @@ async function onWorkSelected(entry, issueKeys, modelByKey, assignCopilot) {
     const workToken = randomUUID()
     workRegistry.set(workToken, { entry, key, scopeGen, authorizedRepo: prExpectedRepo, authorizedHost: allowedHost })
 
-    entry.notifyWork(key, { phase: 'working', error: '' })
+    entry.notifyWork(key, { phase: 'working', error: '', copilotFix: wantsCopilot })
     try {
       const response = await runSessionTurn(() => {
         // This closure runs only when the shared-session chain drains to it,
@@ -1665,7 +1775,7 @@ async function onWorkSelected(entry, issueKeys, modelByKey, assignCopilot) {
         // retry can't race the live session into a duplicate. Otherwise there's no
         // session to wait on — release the token and surface a retryable error.
         if (handedOff) {
-          entry.notifyWork(key, { phase: 'working' })
+          entry.notifyWork(key, { phase: 'working', copilotFix: wantsCopilot })
           scheduleWorkReconcile(entry, key, workToken, scopeCurrent)
           continue
         }
@@ -1776,7 +1886,7 @@ async function onWorkSelected(entry, issueKeys, modelByKey, assignCopilot) {
         // session and then dies without spawning, no callback ever arrives; the
         // bounded scheduleWorkReconcile below is the safety net that eventually
         // releases the token and returns the card to a retryable error.
-        entry.notifyWork(key, { phase: 'working' })
+        entry.notifyWork(key, { phase: 'working', copilotFix: wantsCopilot })
         scheduleWorkReconcile(entry, key, workToken, scopeCurrent)
         strandRemaining(i + 1)
         return
@@ -2040,10 +2150,19 @@ const session = await joinSession({
               // from the previous repo fails its isCurrent() guard and applies
               // none of its (now stale) tracking / related-issue data.
               entry.scanGen = (entry.scanGen || 0) + 1
+              // No replacement scan runs on a repo switch, so clear the enriching
+              // flag here too — otherwise the invalidated enrichment (barred from
+              // clearing it by its isCurrent() guard) would leave the toggle
+              // disabled forever.
+              resetEnrichingFlag(entry)
             },
             defaults: runtimeDefaults,
           })
           servers.set(ctx.instanceId, entry)
+          // Apply whatever live catalog we already fetched (best-effort; the
+          // static fallback in state.mjs stands until refreshAvailableModels
+          // resolves for the first time).
+          if (liveModels) entry.state.setAvailableModels(liveModels)
         } else if (runtimeDefaults.repo) {
           // Panel already existed (e.g. opened before the repo resolved) — top
           // up its targets now and push the update to any connected clients.
@@ -2094,3 +2213,8 @@ const session = await joinSession({
 // Now that we're joined to the host, resolve the driving session's real repo so
 // the PR/Issue targets default correctly (must run before any canvas opens).
 await seedDefaultsFromSession()
+
+// Kick off the live model catalog fetch in the background; the static list in
+// state.mjs stands until it resolves, so panels are usable immediately either
+// way. Not awaited: model.list() is best-effort and shouldn't delay startup.
+refreshAvailableModels()
diff --git a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/package.json b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/package.json
index f98cb2f0..525046d6 100644
--- a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/package.json
+++ b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sentry-triage",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "main": "extension.mjs",
   "author": "Liz Tom",
   "license": "MIT",
diff --git a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/sentry.mjs b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/sentry.mjs
index b294ed47..fa0fc142 100644
--- a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/sentry.mjs
+++ b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/sentry.mjs
@@ -16,8 +16,7 @@ import {
   orgList,
   projectView,
   issueList,
-  projectListRaw,
-  runSerial,
+  projectListPage,
   SentryError,
 } from './sentryClient.mjs'
 
@@ -221,52 +220,45 @@ export function categorize({ issues = [], regressed = new Set(), escalating = ne
 }
 
 // All project slugs in an org. Pages through the list (the API caps each page at
-// 100) so orgs with many projects are fully represented in the dropdown. The
-// loop is bounded and stops as soon as a page adds no new slugs, so it stays
-// safe even if the underlying cursor doesn't advance. Throws SentryError on an
-// auth/permission failure.
+// 100) so orgs with many projects are fully represented in the dropdown. Throws
+// SentryError on an auth/permission failure.
 //
 // `onPage(slugsSoFar)` — if provided, called after each page with a snapshot of
 // everything collected so far. This lets callers stream results to the UI: the
 // first ~100 projects land in ~1s and the rest fill in over the following
 // seconds, instead of the caller waiting for the whole (potentially large) list.
 export async function listProjects(org, onPage) {
-  // Run the ENTIRE paged traversal as one atomic SDK operation. The CLI resolves
-  // the symbolic "next" cursor through global per-command state, so pages must not
-  // interleave with each other or with any other SDK call (a concurrent issue
-  // scan, another instance's discovery, a second traversal of this same org).
-  // runSerial holds the module-wide queue for the whole loop, which guarantees
-  // that. Inside the task we use projectListRaw (un-queued) to avoid re-entering
-  // the queue we already hold.
-  return runSerial(() => listProjectsPaged(org, onPage))
-}
-
-async function listProjectsPaged(org, onPage) {
+  // Each page is its own runSerial task (see projectListPage), so a mega-org's
+  // traversal no longer holds the shared SDK queue end-to-end. That is what lets
+  // an interactive project.view lookup interleave and answer in ~1s instead of
+  // waiting out the whole list — the "Checking Sentry…" hang.
   const seen = new Set()
   const out = []
   const PAGE = 100
-  const MAX_PAGES = 20
-  // Wall-clock budget: mega-orgs (e.g. "github" has thousands of projects) can
-  // take minutes to fully page through, leaving the autocomplete spinning. Stop
-  // once we've spent this long and return what we have — the client filters the
-  // collected slugs, and a few hundred is plenty to type against. With streaming
-  // (onPage) the first page is usable almost immediately regardless.
-  const BUDGET_MS = 8000
-  const started = Date.now()
+  // Bound the traversal by PAGES, not wall-clock. A time budget made the result
+  // depend on how fast the network happened to be, so the same org yielded a
+  // different-length list run to run (and a slow run could cache a truncated list
+  // over a previously complete one). A page cap is deterministic: the same org
+  // always yields the same list.
+  const MAX_PAGES = 60
   let cursor
+  let complete = false
   for (let page = 0; page < MAX_PAGES; page++) {
-    let raw
+    let result
     try {
-      raw = await projectListRaw(org, PAGE, cursor)
+      result = await projectListPage(org, PAGE, cursor)
     } catch (err) {
       // A transient page failure (network blip / rate limit) mid-pagination must
-      // not discard the projects we already collected. Surface the error only
-      // when we have nothing at all (e.g. page 0 failed => likely auth/bad org).
+      // not discard the projects we already collected. Observed against a
+      // mega-org: the first pages return in ~300ms each and then a later page
+      // stalls before failing, so this path is routine, not exceptional. Surface
+      // the error only when we have nothing at all (e.g. page 0 failed => likely
+      // auth/bad org).
       if (out.length) break
       throw err
     }
     let added = 0
-    for (const slug of mapProjects(raw)) {
+    for (const slug of mapProjects(result.projects)) {
       if (seen.has(slug)) continue
       seen.add(slug)
       out.push(slug)
@@ -275,11 +267,26 @@ async function listProjectsPaged(org, onPage) {
     if (added && typeof onPage === 'function') {
       try { onPage(out.slice()) } catch { /* streaming is best-effort */ }
     }
-    if (raw.length < PAGE || added === 0) break
-    if (Date.now() - started > BUDGET_MS) break
-    cursor = 'next'
+    // Terminal condition: the SDK's own envelope says there are no further
+    // pages. A short page is NOT authoritative on its own — the SDK can return
+    // fewer than requested and still report hasMore:true — so `hasMore` is the
+    // only signal that marks the traversal complete and cacheable. (When the
+    // envelope omits hasMore, projectListPage defaults it to false, which
+    // conservatively ends the traversal rather than looping forever.)
+    if (!result.hasMore) { complete = true; break }
+    // The SDK says more pages exist but handed back no usable cursor to fetch
+    // them, or the cursor did not advance (it returned the same token again).
+    // Either way we can't safely continue, and the traversal is NOT complete —
+    // leave `complete` false so the caller keeps it retryable rather than
+    // pinning a truncated list. Detect this by CURSOR progress, not record
+    // content: a page can legitimately add zero new slugs (all duplicates or
+    // filtered records) while still advancing its cursor, and stopping on
+    // `added === 0` would pin that boundary so every retry halts there and later
+    // projects never reach the dropdown.
+    if (!result.nextCursor || result.nextCursor === cursor) break
+    cursor = result.nextCursor
   }
-  return out
+  return { projects: out, complete }
 }
 
 // Verify a specific project slug exists / is accessible. The org's project list
diff --git a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/sentryClient.mjs b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/sentryClient.mjs
index 7cba248f..85939b5c 100644
--- a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/sentryClient.mjs
+++ b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/sentryClient.mjs
@@ -143,9 +143,11 @@ async function getSdk() {
 //
 // `runSerial(task)` runs `task` only once all previously enqueued work has
 // settled, so at most one SDK operation is ever in flight process-wide. It is the
-// single choke point; the public functions below are thin queued wrappers, and
-// multi-call traversals (see projectListRaw) run as ONE task so their paging
-// can't interleave with anything.
+// single choke point; the public functions below are thin queued wrappers. Each
+// task should be a SINGLE SDK call: a multi-call traversal that holds the queue
+// for its whole run starves every interactive lookup behind it (see
+// projectListPage, which pages via an explicit cursor so each page queues
+// independently).
 let sdkQueue = Promise.resolve()
 
 export function runSerial(task) {
@@ -279,17 +281,39 @@ export async function orgList(limit = 100) {
   return runSerial(async () => asArray(await (await getSdk()).org.list({ limit })))
 }
 
-// Single-page project fetch within an org. Deliberately NOT wrapped in
-// runSerial on its own: the CLI's positional org/project value treats a BARE
-// slug as a *project*, so listing every project in an org requires the trailing
-// `<org>/` form — we normalize to exactly one trailing slash here. Raw project
-// objects (each has a `slug`). `cursor` navigates pages ("next"/"prev"/raw
-// cursor). Callers that page through the full list must instead run
-// projectListRaw inside a single runSerial task so the whole traversal is atomic
-// (see listProjects in sentry.mjs).
-export async function projectListRaw(org, limit = 100, cursor) {
+// Single page of an org's project list, fetched as its OWN queued task and
+// returning an explicit `nextCursor` so the caller can resume without holding
+// the queue between pages.
+//
+// This is what keeps a mega-org's multi-page traversal from starving the rest of
+// the UI. The symbolic "next" cursor resolves through the SDK's module-global
+// per-command state, so a traversal that used it had to hold the whole sdkQueue
+// for every page (otherwise an interleaved call would clobber that state) —
+// which meant a slow `github`-sized list blocked the O(1) project.view lookup
+// behind it for minutes and left "Checking Sentry…" spinning. The envelope's
+// `nextCursor` is a self-contained opaque token, so each page can be an
+// independent runSerial task and interactive lookups can slot in between them.
+//
+// The CLI's positional org/project value treats a BARE slug as a *project*, so
+// listing every project in an org requires the trailing `<org>/` form — we
+// normalize to exactly one trailing slash here.
+//
+// Returns { projects, nextCursor, hasMore }. `hasMore` is the SDK envelope's own
+// "there are further pages" signal (defaults to false when the envelope omits
+// it); `nextCursor` is '' unless the SDK handed back a usable opaque token. The
+// two are reported separately so the caller can tell "genuinely done" (hasMore
+// false) apart from "more pages exist but we have no cursor to fetch them" — the
+// latter is an incomplete traversal, not a terminal one, and must stay retryable.
+export async function projectListPage(org, limit = 100, cursor) {
   const orgProject = `${String(org || '').replace(/\/+$/, '')}/`
-  return asArray(await (await getSdk()).project.list({ orgProject, limit, ...(cursor ? { cursor } : {}) }))
+  const res = await runSerial(async () => (await getSdk()).project.list({ orgProject, limit, ...(cursor ? { cursor } : {}) }))
+  const projects = asArray(res)
+  // Only trust an explicit opaque cursor. A truthy `hasMore` without a usable
+  // `nextCursor` would otherwise tempt us back onto the symbolic "next" token
+  // and reintroduce the global-state coupling this function exists to avoid.
+  const next = res && typeof res === 'object' && typeof res.nextCursor === 'string' ? res.nextCursor.trim() : ''
+  const hasMore = res && typeof res === 'object' ? res.hasMore === true : false
+  return { projects, nextCursor: hasMore ? next : '', hasMore }
 }
 
 // Verify a specific project exists / is accessible via the SDK's O(1)
diff --git a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/server.mjs b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/server.mjs
index d4aef00e..35461b81 100644
--- a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/server.mjs
+++ b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/server.mjs
@@ -108,11 +108,13 @@ export function startServer({ port = 0, onRefresh, onAction, onWorkSelected, onR
       periods: PERIODS,
       projects: state.getProjects(),
       projectsOrg: state.getProjectsOrg(),
+      projectsComplete: state.getProjectsComplete(),
       connections: state.getConnections(),
       prTargets: state.getPrTargets(),
       availableModels: state.getAvailableModels(),
       prSettingsOpen: state.getPrSettingsOpen(),
       plainEnglishView: state.getPlainEnglishView(),
+      plainEnglishEnriching: state.getPlainEnglishEnriching(),
       issueTrackers: state.getIssueTrackers(),
       selectedTracker: state.getSelectedTracker(),
       workByIssueKey: state.getWorkByIssueKey(),
@@ -153,6 +155,15 @@ export function startServer({ port = 0, onRefresh, onAction, onWorkSelected, onR
     }
   }
 
+  // Broadcast plain-English enrichment start/stop so the client can disable the
+  // toggle (and show a "preparing…" hint) until summaries are ready.
+  function notifyPlainEnglishEnriching(isEnriching) {
+    const data = JSON.stringify({ plainEnglishEnriching: Boolean(isEnriching) })
+    for (const res of sseClients) {
+      res.write(`data: ${data}\n\n`)
+    }
+  }
+
   function handleRequest(req, res) {
     // Reject DNS-rebinding hosts on EVERY request (see the trust-model comment):
     // a rebinding page still carries its own hostname in `Host`, so anything but
@@ -546,6 +557,7 @@ export function startServer({ port = 0, onRefresh, onAction, onWorkSelected, onR
         notifyWork,
         notifyFlash,
         notifyScanning,
+        notifyPlainEnglishEnriching,
         close,
       })
     })
diff --git a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/state.mjs b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/state.mjs
index b1116b1b..7eb6fcfa 100644
--- a/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/state.mjs
+++ b/plugins/sentry-triage/com.github.copilot/extensions/sentry-triage/state.mjs
@@ -52,6 +52,12 @@ export function createState() {
   // SSE project broadcast to the right org (setup screen switches org before any
   // scan, so the panel's own org isn't a reliable signal).
   let projectsOrg = ''
+  // Finality of the current `projects` list: true only when the traversal that
+  // produced it ran to completion (SDK reported no further pages). A COMPLETE
+  // list is authoritative and may legitimately be shorter than a prior one
+  // (projects deleted upstream); an INCOMPLETE/streamed one must not shrink a
+  // longer list. Consumed by the client's keep-longest guard via the snapshot.
+  let projectsComplete = false
   // Sentry search window. Defaults to the last day; the user can widen it from
   // the issues list to look further back. Only Sentry's supported periods are
   // accepted (see PERIODS below).
@@ -68,6 +74,7 @@ export function createState() {
   // Sentry error. Canvas-wide, defaults to the raw error so on-call sees exactly
   // what Sentry reported first; the user can flip to plain English from the header.
   let plainEnglishView = false
+  let plainEnglishEnriching = false
   let selectedTracker = 'github'
   const workByIssueKey = {}
   // The issue trackers the "Work on selected" hand-off can file into. The agent
@@ -79,18 +86,27 @@ export function createState() {
     { id: 'linear', label: 'Linear', connected: true },
     { id: 'atlassian', label: 'Jira (Atlassian)', connected: true },
   ]
-  // Models the spawned remediation session can run under. The empty id means
-  // "let the session pick its default model"; every other id must match a value
-  // the host create_session tool accepts, or the hand-off would fail.
-  const availableModels = [
-    { id: '', label: 'Auto (session default)' },
+  // Models the spawned remediation session can run under. The empty id always
+  // means "let the session pick its default model". The rest of the list is
+  // seeded with a static fallback (used until the live catalog loads, or if
+  // that fetch ever fails) and is normally replaced at startup by
+  // setAvailableModels() with the host's live model list (see extension.mjs,
+  // which calls session.rpc.model.list()) so this never needs to be hand-edited
+  // again when new models ship.
+  const AUTO_MODEL = { id: '', label: 'Auto (session default)' }
+  const FALLBACK_MODELS = [
     { id: 'claude-sonnet-5', label: 'Claude Sonnet 5' },
+    { id: 'claude-opus-5', label: 'Claude Opus 5' },
     { id: 'claude-opus-4.8', label: 'Claude Opus 4.8' },
+    { id: 'gpt-5.6-sol', label: 'GPT-5.6 Sol' },
     { id: 'gpt-5.5', label: 'GPT-5.5' },
     { id: 'gpt-5.4', label: 'GPT-5.4' },
     { id: 'gpt-5.3-codex', label: 'GPT-5.3-Codex' },
+    { id: 'gemini-3.7-flash', label: 'Gemini 3.7 Flash' },
+    { id: 'grok-4.5', label: 'Grok 4.5' },
   ]
-  const MODEL_IDS = new Set(availableModels.map((model) => model.id))
+  let availableModels = [AUTO_MODEL, ...FALLBACK_MODELS]
+  let MODEL_IDS = new Set(availableModels.map((model) => model.id))
   const prTargets = {
     mode: 'local',
     model: '',
@@ -245,6 +261,10 @@ export function createState() {
       return projectsOrg
     },
 
+    getProjectsComplete() {
+      return projectsComplete
+    },
+
     getConnections() {
       return connections
     },
@@ -261,6 +281,26 @@ export function createState() {
       return availableModels
     },
 
+    // Replaces the model list with the host's live catalog (see
+    // session.rpc.model.list() in extension.mjs). Keeps the current selection
+    // if it's still valid in the new list; otherwise falls back to Auto so a
+    // model retired upstream can't leave prTargets pointing at a dead id.
+    setAvailableModels(models) {
+      const seen = new Set([''])
+      const deduped = []
+      for (const m of Array.isArray(models) ? models : []) {
+        const id = typeof m?.id === 'string' ? m.id.trim() : ''
+        const label = typeof m?.label === 'string' && m.label.trim() ? m.label.trim() : id
+        if (!id || seen.has(id)) continue
+        seen.add(id)
+        deduped.push({ id, label })
+      }
+      if (deduped.length === 0) return
+      availableModels = [AUTO_MODEL, ...deduped]
+      MODEL_IDS = new Set(availableModels.map((model) => model.id))
+      if (prTargets.model && !MODEL_IDS.has(prTargets.model)) prTargets.model = ''
+    },
+
     getIssueTrackers() {
       return issueTrackers
     },
@@ -289,7 +329,7 @@ export function createState() {
       project = typeof slug === 'string' ? slug.trim() : ''
     },
 
-    setProjects(list, org) {
+    setProjects(list, org, complete = false) {
       const seen = new Set()
       const out = []
       for (const item of Array.isArray(list) ? list : []) {
@@ -300,6 +340,7 @@ export function createState() {
       }
       projects = out
       if (typeof org === 'string') projectsOrg = org.trim().toLowerCase()
+      projectsComplete = complete === true
       return projects
     },
 
@@ -346,7 +387,17 @@ export function createState() {
       return plainEnglishView
     },
 
+    getPlainEnglishEnriching() {
+      return plainEnglishEnriching
+    },
+
+    setPlainEnglishEnriching(on) {
+      plainEnglishEnriching = Boolean(on)
+      return plainEnglishEnriching
+    },
+
     togglePlainEnglishView() {
+      if (plainEnglishEnriching) return plainEnglishView
       plainEnglishView = !plainEnglishView
       return plainEnglishView
     },
diff --git a/plugins/sentry-triage/plugin.json b/plugins/sentry-triage/plugin.json
index 1e2791e3..eac63928 100644
--- a/plugins/sentry-triage/plugin.json
+++ b/plugins/sentry-triage/plugin.json
@@ -2,7 +2,7 @@
   "$schema": "https://agent-plugins.org/schemas/1.0.0/plugin.schema.json",
   "name": "sentry-triage",
   "description": "Scan live Sentry issues in a Copilot canvas, group them by urgency, and hand issues off for tracking or a fix PR.",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "author": {
     "name": "Liz Tom",
     "url": "https://github.com/liztom"