Merge upstream v2.34.0 with FastAPI pivot (v2.35.0)

Incorporate 42 upstream commits while preserving the Ruby/Rails → Python/FastAPI
pivot. Each of the 24 conflicting files was individually triaged.

Added: tiangolo-fastapi-reviewer, python-package-readme-writer, lint (Python),
pr-comments-to-todos, fastapi-style skill, python-package-writer skill.

Removed: 3 design agents, ankane-readme-writer, dhh-rails-reviewer,
kieran-rails-reviewer, andrew-kane-gem-writer, dhh-rails-style, dspy-ruby.

Merged: best-practices-researcher, kieran-python-reviewer, resolve_todo_parallel,
file-todos, workflows/review (pressure test), workflows/plan (reviewer names).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

plugins/compound-engineering/skills/file-todos/assets/todo-template.md

@@ -19,6 +19,22 @@ What is broken, missing, or needs improvement? Provide clear context about why t
 - Email service is missing proper error handling for rate-limit scenarios
 - Documentation doesn't cover the new authentication flow
 
+## Assessment (Pressure Test)
+
+*(For findings from code review or automated agents)*
+
+| Criterion | Result |
+|-----------|--------|
+| **Assessment** | Clear & Correct / Unclear / Likely Incorrect / YAGNI |
+| **Recommended Action** | Fix now / Clarify / Push back / Skip |
+| **Verified Code?** | Yes/No - [what was checked] |
+| **Verified Tests?** | Yes/No - [existing coverage] |
+| **Verified Usage?** | Yes/No - [how code is used] |
+| **Prior Decisions?** | Yes/No - [any intentional design] |
+
+**Technical Justification:**
+[If pushing back or marking YAGNI, provide specific technical reasoning. Reference codebase constraints, requirements, or trade-offs.]
+
 ## Findings
 
 Investigation results, root cause analysis, and key discoveries.