Capture Codex reasoning summaries

[KyleAMathews]

Summary

• request OpenAI/Codex reasoning summaries by default when enabling reasoning effort
• preserve explicit reasoning summary settings from caller payloads
• add adapter coverage proving streamed thinking events are written as entity reasoning rows/deltas

Verification

• cd packages/agents-runtime && pnpm exec vitest run test/pi-adapter.test.ts
• cd packages/agents && pnpm exec vitest run test/model-catalog.test.ts

[github-actions]

Electric Agents Desktop Builds

Build artifacts for commit aa0381e.

Platform	Status	Artifact
macOS Apple Silicon	Passed	DMG
macOS Intel	Passed	DMG
Windows x64	Passed	Installer
Linux x64	Passed	AppImage / deb

Workflow run

[github-actions]

Electric Agents Mobile Build

Local mobile checks ran for commit aa0381e.

The EAS Android preview build was skipped because the mobile-eas-build label is not present.
Add the mobile-eas-build label to this PR to produce an installable preview build.

Workflow run

[codecov]

Codecov Report

❌ Patch coverage is 93.75000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 57.71%. Comparing base (8f4368d) to head (aa0381e).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
packages/agents/src/model-catalog.ts	93.75%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4617      +/-   ##
==========================================
+ Coverage   57.56%   57.71%   +0.15%     
==========================================
  Files         342      342              
  Lines       39993    40009      +16     
  Branches    11633    11661      +28     
==========================================
+ Hits        23023    23093      +70     
+ Misses      16933    16879      -54     
  Partials       37       37              

Flag	Coverage Δ
packages/agents	72.96% <93.75%> (+0.21%)	⬆️
packages/agents-mobile	80.67% <ø> (ø)
packages/agents-runtime	83.38% <ø> (+0.41%)	⬆️
packages/agents-server	75.29% <ø> (-0.25%)	⬇️
packages/agents-server-ui	7.51% <ø> (ø)
packages/electric-ax	47.62% <ø> (ø)
typescript	57.71% <93.75%> (+0.15%)	⬆️
unit-tests	57.71% <93.75%> (+0.15%)	⬆️

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[kevin-dp]

Missing a changeset but otherwise good to go.