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/.claude-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "compound-engineering",
-  "version": "2.34.0",
-  "description": "AI-powered development tools. 29 agents, 22 commands, 19 skills, 1 MCP server for code review, research, design, and workflow automation.",
+  "version": "2.35.0",
+  "description": "AI-powered development tools. 25 agents, 23 commands, 18 skills, 1 MCP server for code review, research, design, and workflow automation.",
   "author": {
     "name": "Kieran Klaassen",
     "email": "kieran@every.to",
@@ -15,8 +15,7 @@
     "compound-engineering",
     "workflow-automation",
     "code-review",
-    "rails",
-    "ruby",
+    "fastapi",
     "python",
     "typescript",
     "knowledge-management",