Merge upstream origin/main (v2.60.0) with fork customizations preserved

Incorporates 78 upstream commits while preserving all local fork intent:
- Keep deleted: dhh-rails, kieran-rails, dspy-ruby, andrew-kane-gem-writer (FastAPI pivot)
- Merge both: ce-review (zip-agent-validator + design-conformance-reviewer wiring),
  kieran-python-reviewer (upstream pipeline + FastAPI conventions),
  ce-brainstorm/ce-plan/ce-work (upstream improvements + deploy wiring checks),
  todo-create (upstream template refs + assessment block),
  best-practices-researcher (upstream rename + FastAPI refs)
- Accept remote: 142 remote-only files, plugin.json, README.md
- Keep local: 71 local-only files (custom agents, skills, commands, voice)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

plugins/compound-engineering/skills/todo-create/SKILL.md

@@ -50,6 +50,13 @@ dependencies: ["001"]     # Issue IDs this is blocked by
 
 **Optional sections:** Technical Details, Resources, Notes.
 
+**Required for code review findings:** Assessment (Pressure Test) — verify the finding before acting on it.
+
+- **Assessment**: Clear & Correct | Unclear | Likely Incorrect | YAGNI
+- **Recommended Action**: Fix now | Clarify | Push back | Skip
+- **Verified**: Code, Tests, Usage, Prior Decisions (Yes/No with details)
+- **Technical Justification**: Why this finding is valid or should be skipped
+
 ## Workflows
 
 > **Tool preference:** Use native file-search/glob and content-search tools instead of shell commands for finding and reading todo files. Shell only for operations with no native equivalent (`mv`, `mkdir -p`).