feat(recall): organize generated insights and quality

[wesm]

• Recall now groups durable corpus entries and saved model-written reports under one URL-backed workspace, so users no longer have to infer how two kinds of reusable context relate.
• Generated insights expose their complete session scope before execution, preserve that scope across tab changes, and retain deep links plus export, publish, retry, and delete workflows.
• Deterministic recommendations and evidence move to Quality, making the model-written versus measured-data boundary explicit; the former /insights route is a clean break and falls through to Sessions.
• Read-only backends keep access to saved generated reports while hiding the unsupported corpus, and the public docs now describe both surfaces and their privacy boundary.

[wesm]

UI captures from the screenshot fixture:

• Generated report content is synthetic.
• Quality shows aggregate metrics from a bounded, scrubbed fixture; real saved insights, machine identity, paths, and blocked/private terms are removed.

Recall — Generated insights

Quality

[roborev-ci]

roborev: Combined Review (d155848)

Changes need fixes before merge: three medium-severity issues will likely cause runtime or CI failures.

Medium

• frontend/src/lib/components/recall/GeneratedInsightsPanel.svelte:71 — sessions.agents.sort(...) mutates a shared reactive array inside $derived.by, potentially triggering Svelte’s unsafe-mutation error and reordering other agent selectors. Sort a copy with [...sessions.agents].sort(...).

• frontend/e2e/insights-quality.spec.ts:109 — Playwright tests still reference the removed /insights route, .insights-page, and “Insights” navigation item. Update affected tests in insights-quality.spec.ts, usage.spec.ts, session-list.spec.ts, and appearance-a11y.spec.ts to use /quality or /recall?tab=generated and the new selectors and link expectations.

• scripts/docs_assets_test.go:391, scripts/docs_assets_test.go:497 — Documentation fixtures still generate the old /insights/, insights.png, and insight-content.png assets, so built-site and asset publishing/hydration tests will fail. Update builtDocsRoutes and writeGeneratedAssets for /quality/, /recall/, quality.png, and recall-generated-insights.png.

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Reviewers: 2 done | Synthesis: codex, 22s | Total: 13m2s

[roborev-ci]

roborev: Combined Review (efe438f)

The UI reorganization is sound, but legacy Insights links need migration support.

Medium

• frontend/src/lib/stores/router.svelte.ts:55 — Removing the insights route causes existing /insights bookmarks and shared /insights?insight=<id> report links to silently fall back to Sessions. Add a legacy redirect: route URLs containing insight to /recall?tab=generated, and other /insights URLs to /quality, preserving applicable parameters.

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Reviewers: 2 done | Synthesis: codex, 10s | Total: 8m46s