feat: add flowstudio-power-automate-debug and flowstudio-power-automate-build skills (#899)

* feat: add flowstudio-power-automate-debug and flowstudio-power-automate-build skills

Two companion skills for the FlowStudio Power Automate MCP server:

- flowstudio-power-automate-debug: Debug workflow for failed Power Automate cloud flow runs
- flowstudio-power-automate-build: Build & deploy flows from natural language descriptions

Both require a FlowStudio MCP subscription: https://flowstudio.app
These complement the existing flowstudio-power-automate-mcp skill (merged in PR #896).

* fix: address all review comments — README, cross-refs, response shapes, step numbering

- Add skills to docs/README.skills.md (fixes validate-readme CI check)
- Update cross-skill references to use flowstudio- prefix (#1, #4, #7, #9)
- Fix get_live_flow_run_action_outputs: returns array, index [0] (#2, #3)
- Renumber Step 6→5, Step 7→6 — remove gap in build workflow (#8)
- Fix connectionName note: it's the key, not the GUID (#10)
- Remove invalid arrow function from Filter array expression (#11)

* feat: add flowstudio-power-automate plugin bundling all 3 skills

Plugin bundles:
- flowstudio-power-automate-mcp (core connection & CRUD)
- flowstudio-power-automate-debug (debug failed runs)
- flowstudio-power-automate-build (build & deploy flows)

Install: copilot plugin install flowstudio-power-automate@awesome-copilot

Per @aaronpowell's suggestion in review.

docs/README.plugins.md

@@ -38,6 +38,7 @@ See [CONTRIBUTING.md](../CONTRIBUTING.md#adding-plugins) for guidelines on how t
 | [dataverse-sdk-for-python](../plugins/dataverse-sdk-for-python/README.md) | Comprehensive collection for building production-ready Python integrations with Microsoft Dataverse. Includes official documentation, best practices, advanced features, file operations, and code generation prompts. | 4 items | dataverse, python, integration, sdk |
 | [devops-oncall](../plugins/devops-oncall/README.md) | A focused set of prompts, instructions, and a chat mode to help triage incidents and respond quickly with DevOps tools and Azure resources. | 3 items | devops, incident-response, oncall, azure |
 | [edge-ai-tasks](../plugins/edge-ai-tasks/README.md) | Task Researcher and Task Planner for intermediate to expert users and large codebases - Brought to you by microsoft/edge-ai | 2 items | architecture, planning, research, tasks, implementation |
+| [flowstudio-power-automate](../plugins/flowstudio-power-automate/README.md) | Complete toolkit for managing Power Automate cloud flows via the FlowStudio MCP server. Includes skills for connecting to the MCP server, debugging failed flow runs, and building/deploying flows from natural language. | 3 items | power-automate, power-platform, flowstudio, mcp, model-context-protocol, cloud-flows, workflow-automation |
 | [frontend-web-dev](../plugins/frontend-web-dev/README.md) | Essential prompts, instructions, and chat modes for modern frontend web development including React, Angular, Vue, TypeScript, and CSS frameworks. | 4 items | frontend, web, react, typescript, javascript, css, html, angular, vue |
 | [gem-team](../plugins/gem-team/README.md) | A modular multi-agent team for complex project execution with DAG-based planning, parallel execution, TDD verification, and automated testing with energetic team lead. | 8 items | multi-agent, orchestration, dag-planning, parallel-execution, tdd, verification, automation, security, prd |
 | [go-mcp-development](../plugins/go-mcp-development/README.md) | Complete toolkit for building Model Context Protocol (MCP) servers in Go using the official github.com/modelcontextprotocol/go-sdk. Includes instructions for best practices, a prompt for generating servers, and an expert chat mode for guidance. | 2 items | go, golang, mcp, model-context-protocol, server-development, sdk |

docs/README.skills.md

@@ -112,6 +112,8 @@ See [CONTRIBUTING.md](../CONTRIBUTING.md#adding-skills) for guidelines on how to
 | [finalize-agent-prompt](../skills/finalize-agent-prompt/SKILL.md) | Finalize prompt file using the role of an AI agent to polish the prompt for the end user. | None |
 | [finnish-humanizer](../skills/finnish-humanizer/SKILL.md) | Detect and remove AI-generated markers from Finnish text, making it sound like a native Finnish speaker wrote it. Use when asked to "humanize", "naturalize", or "remove AI feel" from Finnish text, or when editing .md/.txt files containing Finnish content. Identifies 26 patterns (12 Finnish-specific + 14 universal) and 4 style markers. | `references/patterns.md` |
 | [first-ask](../skills/first-ask/SKILL.md) | Interactive, input-tool powered, task refinement workflow: interrogates scope, deliverables, constraints before carrying out the task; Requires the Joyride extension. | None |
+| [flowstudio-power-automate-build](../skills/flowstudio-power-automate-build/SKILL.md) | Build, scaffold, and deploy Power Automate cloud flows using the FlowStudio MCP server. Load this skill when asked to: create a flow, build a new flow, deploy a flow definition, scaffold a Power Automate workflow, construct a flow JSON, update an existing flow's actions, patch a flow definition, add actions to a flow, wire up connections, or generate a workflow definition from scratch. Requires a FlowStudio MCP subscription — see https://mcp.flowstudio.app | `references/action-patterns-connectors.md`<br />`references/action-patterns-core.md`<br />`references/action-patterns-data.md`<br />`references/build-patterns.md`<br />`references/flow-schema.md`<br />`references/trigger-types.md` |
+| [flowstudio-power-automate-debug](../skills/flowstudio-power-automate-debug/SKILL.md) | Debug failing Power Automate cloud flows using the FlowStudio MCP server. Load this skill when asked to: debug a flow, investigate a failed run, why is this flow failing, inspect action outputs, find the root cause of a flow error, fix a broken Power Automate flow, diagnose a timeout, trace a DynamicOperationRequestFailure, check connector auth errors, read error details from a run, or troubleshoot expression failures. Requires a FlowStudio MCP subscription — see https://mcp.flowstudio.app | `references/common-errors.md`<br />`references/debug-workflow.md` |
 | [flowstudio-power-automate-mcp](../skills/flowstudio-power-automate-mcp/SKILL.md) | Connect to and operate Power Automate cloud flows via a FlowStudio MCP server. Use when asked to: list flows, read a flow definition, check run history, inspect action outputs, resubmit a run, cancel a running flow, view connections, get a trigger URL, validate a definition, monitor flow health, or any task that requires talking to the Power Automate API through an MCP tool. Also use for Power Platform environment discovery and connection management. Requires a FlowStudio MCP subscription or compatible server — see https://mcp.flowstudio.app | `references/MCP-BOOTSTRAP.md`<br />`references/action-types.md`<br />`references/connection-references.md`<br />`references/tool-reference.md` |
 | [fluentui-blazor](../skills/fluentui-blazor/SKILL.md) | Guide for using the Microsoft Fluent UI Blazor component library (Microsoft.FluentUI.AspNetCore.Components NuGet package) in Blazor applications. Use this when the user is building a Blazor app with Fluent UI components, setting up the library, using FluentUI components like FluentButton, FluentDataGrid, FluentDialog, FluentToast, FluentNavMenu, FluentTextField, FluentSelect, FluentAutocomplete, FluentDesignTheme, or any component prefixed with "Fluent". Also use when troubleshooting missing providers, JS interop issues, or theming. | `references/DATAGRID.md`<br />`references/LAYOUT-AND-NAVIGATION.md`<br />`references/SETUP.md`<br />`references/THEMING.md` |
 | [folder-structure-blueprint-generator](../skills/folder-structure-blueprint-generator/SKILL.md) | Comprehensive technology-agnostic prompt for analyzing and documenting project folder structures. Auto-detects project types (.NET, Java, React, Angular, Python, Node.js, Flutter), generates detailed blueprints with visualization options, naming conventions, file placement patterns, and extension templates for maintaining consistent code organization across diverse technology stacks. | None |