Merge remote-tracking branch 'origin/master' into gitea/feature/end

Resolved conflicts taking origin/master (v0.5.55) as canonical, with local
features re-applied:
- runtime log level (LOG_LEVEL env + dashboard Settings → Logging, applied
  immediately and persisted across restarts)
- free/noAuth provider enable/disable toggle via providerStrategies.enabled
- parallel model testing (Test All Models / Test Selected Keys)

.gitignore

@@ -1,5 +1,4 @@
 # See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
-
 # dependencies
 /node_modules
 /.pnp
@@ -9,10 +8,8 @@
 !.yarn/plugins
 !.yarn/releases
 !.yarn/versions
-
 # testing
 /coverage
-
 # next.js
 /.next/
 /.next-cli-build/
@@ -22,28 +19,22 @@ product
 # production
 /build
 .idea/
-
 # misc
 .DS_Store
 *.pem
-
 # debug
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
 .pnpm-debug.log*
-
 # env files (can opt-in for committing if needed)
 .env*
 !.env.example
-
 # vercel
 .vercel
-
 # typescript
 *.tsbuildinfo
 next-env.d.ts
-
 .bin/*
 data/
 logs/*
@@ -61,19 +52,28 @@ Thanks.md
 PUBLIC.en.md
 PR/*
 package-lock.json
-
-
 #Ignore vscode AI rules
 .github/instructions/codacy.instructions.md
 README1.md
 deploy*.sh
 ecosystem.config.*
-
 scripts/agSniffer/*
 gitbooks/*
 gitbook/README.md
-
 # Refactor backup reference (do not bundle/lint)
 open-sse.old/
 .graphifyignore
 graphify-out/*
+# Local-only working dirs (notes, vendored repos, scripts, skills)
+.claude/
+.docs/
+.repo/
+.script/
+.codegraph/
+.PR/
+.next-analyze/*
+# CommandCode CLI local state (auth/taste/projects)
+.commandcode/
+
+# Pi subagent run artifacts
+.pi-subagents/