[gem-team] V1.123.0 Anti slope rules + cost reduction patterns (#2942)

* refactor(agents): standardize argument hints and output formats

* feat: Enforce yagni

* feat: Add delegation constitutional rules to gem-orchestrator

* refactor(agents): standardize output format and navigation

* chore: More anti slope rules for Gem agents

* chore: add engineering principles to Gem agents

* docs(gem-team): sync agent output formats and rules, fix README links

* chore: sync .codespellrc ignore words and skip patterns

* chore: sync gem-team version to 1.123.0 and update agent hygiene rules

* chore: improve risk signals and TDD quality wqith gates

* chore: improve memory persistence

* feat: add nudge rule for tools preference over cli

* chore: Improve evidence usage

.github/plugin/marketplace.json

@@ -877,7 +877,7 @@
       "name": "gem-team",
       "source": "plugins/gem-team",
       "description": "Self-Learning Multi-agent orchestration framework for spec-driven development and automated verification. With smarter tool calling and leaner context.",
-      "version": "1.119.0"
+      "version": "1.125.0"
     },
     {
       "name": "gesture-review",