feat(web): put new-thread defaults and overrides back on the Project page

[t3dotgg]

The Project settings page lost its default model picker when overrides moved onto the category pages. You now have to know to keep the project selected and go to General. The page opened from "Project settings" showed only the name, icon, actions, and removal, so it felt empty.

The Project page now shows:

• New threads: the same Model, Permissions, Workspace and Submodules rows as General. When the project is selected, they edit the project's overrides.
• Overrides: a row for each other setting this project overrides. Each row shows the value and a reset button, and links to the row on its category page. The section is hidden when there are no overrides, so a new project shows about 8 rows.

A typed map sets the page where each overridable setting is edited. If someone adds a new project-scoped key, the build fails until they add it to the map. The source control writing style rows now accept a project scope in search, because they already render and write overrides.

Web and desktop only. Mobile has its own Project overview and does not change.

Before	After

I checked this in the web client against a copy of real data. The Overrides row opens Source Control with the project scope kept and focuses the row.

Created with Claude Opus 5.5 in Claude Code.

🤖 Generated with Claude Code

Summary by CodeRabbit

• New Features
  • The Project settings page now lists settings overridden by the project that are managed elsewhere, showing their current value or “Mixed” when values differ.
  • Select an override to open the relevant settings page and section.
  • Project settings descriptions now include defaults for the model and workspace used in new threads.
  • Settings summaries display clearer labels for runtime mode, response streaming, and worktree cleanup.
• Documentation
  • Updated the Project settings guide to describe the Overrides list and how to navigate to overridden settings.

[macroscopeapp]

Approvability

Verdict: Not approved

Macroscope's review found this PR not approvable — The PR adds editable project-level new-thread defaults and an override/reset surface that can change future thread behavior. An unresolved medium-severity finding also reports that some persisted model overrides may be hidden when their provider is disabled, leaving no visible reset path.

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[github-actions]

Thread transfer impact

✅ Thread transfer remains within every enforced ceiling.

Provider	Metric	Main baseline	This PR	Impact	PR ceiling
Codex	Total thread wire	13.5 KiB	13.5 KiB	+32 B (+0.2%)	15.1 KiB	✅
Codex	Thread snapshot wire	7.0 KiB	7.1 KiB	+8 B (+0.1%)	7.3 KiB	✅
Codex	Live turn WebSocket wire	6.5 KiB	6.5 KiB	+24 B (+0.4%)	7.8 KiB	✅
Codex	Live turn WebSocket decoded	56.3 KiB	56.3 KiB	0 B (0.0%)	66.4 KiB	✅
Codex	Live turn messages	10	10	0 (0.0%)	21	✅
Claude	Total thread wire	13.5 KiB	13.5 KiB	+18 B (+0.1%)	15.1 KiB	✅
Claude	Thread snapshot wire	7.1 KiB	7.1 KiB	+6 B (+0.1%)	7.3 KiB	✅
Claude	Live turn WebSocket wire	6.4 KiB	6.4 KiB	+12 B (+0.2%)	7.8 KiB	✅
Claude	Live turn WebSocket decoded	57.0 KiB	57.0 KiB	0 B (0.0%)	66.4 KiB	✅
Claude	Live turn messages	9	9	0 (0.0%)	21	✅

Baseline: d7819c1 · PR result: 79afb30 · Source CI: success

Scenario and decoded snapshot size

10 historical turns, 5 command tools per turn, 878.9 KiB retained MCP result per historical turn, and a 1.05 MiB retained result in the measured turn.

• Codex decoded thread snapshot: 113.9 KiB
• Claude decoded thread snapshot: 114.6 KiB

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository: pingdotgg/t3code/.coderabbit.yaml

Review profile: CHILL

Plan: Advanced

Run ID: 13c526c2-6f4b-45f3-9517-47cb35bf3c99

📥 Commits

Reviewing files that changed from the base of the PR and between d7819c1 and 79afb30.

📒 Files selected for processing (10)

• apps/web/src/components/settings/ProjectDefaultsSettings.tsx
• apps/web/src/components/settings/ProjectSettingsPanel.logic.test.ts
• apps/web/src/components/settings/ProjectSettingsPanel.logic.ts
• apps/web/src/components/settings/ProjectSettingsPanel.tsx
• apps/web/src/components/settings/ProjectsSettings.tsx
• apps/web/src/components/settings/SettingInheritance.tsx
• apps/web/src/components/settings/SettingsPanels.logic.ts
• apps/web/src/components/settings/SettingsPanels.tsx
• apps/web/src/components/settings/settingsSearch.ts
• docs/user/project-settings.md

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📝 Walkthrough

Walkthrough

The Project settings page now displays general defaults and project-scoped overrides edited elsewhere. Override rows show formatted or mixed values and link to the relevant settings section. The override list is derived from scoped settings sources and sorted by sidebar section.

Changes

Project settings overrides

Layer / File(s)	Summary
Resolve and order project overrides apps/web/src/components/settings/ProjectSettingsPanel.logic.ts, apps/web/src/components/settings/settingsSearch.ts, apps/web/src/components/settings/ProjectSettingsPanel.logic.test.ts	The logic selects project-sourced settings that are edited elsewhere and sorts them by sidebar section. The search catalog provides the corresponding settings entries. Tests cover ordering, omitted Project page rows, and overrides present on any selected checkout.
Display defaults and override rows apps/web/src/components/settings/ProjectSettingsPanel.tsx, apps/web/src/components/settings/ProjectDefaultsSettings.tsx, apps/web/src/components/settings/SettingInheritance.tsx, apps/web/src/components/settings/SettingsPanels.logic.ts, apps/web/src/components/settings/SettingsPanels.tsx, apps/web/src/components/settings/ProjectsSettings.tsx, docs/user/project-settings.md	The Project page renders general defaults and override rows. Rows show formatted values or “Mixed” and link to the relevant settings page and section. Descriptions and documentation cover project defaults and overrides.

Priority: ⬇️ Low

Estimated code review effort: 3 (Moderate) | ~20 minutes

Change: Feature

Sequence Diagram(s)

sequenceDiagram
  participant ProjectSettingsPanel
  participant useSettingsScope
  participant listedProjectOverrides
  participant settingsSearchItem
  participant SettingsPage
  ProjectSettingsPanel->>useSettingsScope: Read the current settings scope
  ProjectSettingsPanel->>listedProjectOverrides: Pass scoped settings targets
  listedProjectOverrides->>settingsSearchItem: Resolve each override itemId
  settingsSearchItem-->>listedProjectOverrides: Return the settings search item
  listedProjectOverrides-->>ProjectSettingsPanel: Return ordered override items
  ProjectSettingsPanel->>SettingsPage: Link to the editing section with highlight state

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Possibly related PRs

• pingdotgg/t3code#10639: Both changes address where project defaults and overrides appear and how the Project page links to settings edited elsewhere.

Suggested reviewers: juliusmarminge

Merge Risk: ⚪ Minimal · up to 79afb

The Project settings additions have no identified merge-blocking risk.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 16 functions across 9 files. (1 skipped: …	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly summarizes the main change: restoring new-thread defaults and overrides to the Project page.
Description check	✅ Passed	The description explains what changed and why, and includes before-and-after screenshots for the UI changes. It does not include the template’s Checklist section, but the description is otherwise comp…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

Docstring coverage is 50.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 16 functions across 9 files. (1 skipped: 1 unsupported.)

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