spec-kit: specify, clarify, and plan for "Add plugin example implementations" (feature 002)

[devin-ai-integration]

spec-kit: specify, clarify, and plan for "Add plugin example implementations" (feature 002)

Summary

This PR adds spec-kit artifacts (specify, clarify, plan phases) for feature 002: "Add plugin example implementations". This is a documentation-only PR with no code changes - it establishes the specification and implementation plan for creating comprehensive plugin examples for the FDO SDK.

The feature will add 4 progressively complex example plugins to help developers learn the SDK:

1. Basic Hello World (P1) - Core SDK features (init, render, logging)
2. Interactive Todo List (P2) - UI components and message handlers
3. Persistent Notes (P3) - Data persistence with storage system
4. Advanced Settings Panel (P4) - Quick actions, side panels, complex UI

Files Added

• specs/002-plugin-example-implementations/spec.md - Feature specification with 4 user stories, 15 functional requirements, 7 success criteria
• specs/002-plugin-example-implementations/clarify.md - 8 clarification questions with decisions on naming, use cases, documentation, testing
• specs/002-plugin-example-implementations/plan.md - Detailed implementation plan with 5 phases, timeline (27-39 hours), risk assessment

Review & Testing Checklist for Human

This is a YELLOW risk PR (documentation only, but defines a significant feature). Please verify:

• User Stories Alignment: Do the 4 user stories (P1-P4) match actual pain points for FDO SDK plugin developers? Are we solving the right problems?
• Functional Requirements Completeness: Review FR-001 through FR-015 in spec.md - are these requirements achievable with current SDK capabilities? Are any critical requirements missing?
• Clarification Decisions: Check clarify.md decisions on file naming (numbered structure), use cases (Hello World, Todo, Notes, Settings), and documentation approach - do these make sense for the project?
• Implementation Plan Feasibility: Review the 5-phase plan in plan.md - is the technical approach sound? Are the quality gates appropriate?
• Timeline Estimate: The plan estimates 27-39 hours total - does this seem realistic given the scope (4 examples + comprehensive documentation)?
• Success Criteria: Check SC-001 through SC-007 - are these metrics measurable and realistic (especially "reduce support questions by 50%")?

Notes

• This PR follows the spec-kit methodology (specify → clarify → plan) as requested
• Next steps would be: /speckit.tasks to generate actionable tasks, then /speckit.implement to execute
• No code changes in this PR - all changes are in the specs/ directory
• Tests pass (383 passed) - no impact on existing SDK functionality

[devin-ai-integration]

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Coverage report

St.❔	Category	Percentage	Covered / Total
🟢	Statements	97.86%	411/420
🟢	Branches	94.53%	190/201
🟢	Functions	100%	137/137
🟢	Lines	97.85%	409/418

Test suite run success

383 tests passing in 28 suites.

Report generated by 🧪jest coverage report action from 0192c53