fix(search): preserve partial results and reuse document access checks

[icecrasher321]

Summary

• Keep authorized Search results when a retrieval branch times out, with an incomplete-coverage notice and a retry.
• Let PostgreSQL reuse document visibility checks across vector candidates and retain ranking/deadline diagnostics on timeouts.

Type of Change

• Bug fix

Testing

• 132 unit tests and 14 PostgreSQL integration cases passed, including real SQL deadlines through the Search HTTP route. One optional Go-server integration case skipped.
• Typecheck, lint, all 46 CI audits, block-registry and docs-manifest checks passed.
• Verified partial matches, incomplete empty results, and retry states in an isolated browser fixture using the actual Search component.

Checklist

• Code follows project style guidelines
• Self-reviewed my changes
• Tests added/updated and passing
• No new warnings introduced
• I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

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1 Skipped Deployment

Project	Deployment	Actions	Updated
docs	Skipped		Sep 14, 2026 4:34pm UTC

[greptile-apps]

Confidence Score: 5/5

The PR appears safe to merge; the partial-result flow preserves authorization boundaries and the affected callers and UI states are consistently updated.

Summary

• Adds retrieval completeness metadata to the dashboard search contract.
• Enables partial results through the authenticated search route.
• Keeps partial matches visible and provides an explicit retry state.
• Reworks vector candidate visibility into a lateral document lookup so PostgreSQL can reuse document-level checks.
• Retains timeout and vector-ranking diagnostics and adds focused route, UI, query, and PostgreSQL integration coverage.

Diagram

sequenceDiagram
    participant UI as Search UI
    participant API as Knowledge Search Route
    participant App as Search Application
    participant V as Vector Retrieval
    participant K as Keyword Retrieval
    participant DB as PostgreSQL

    UI->>API: query, scope, filters
    API->>App: "allowPartialResults = true"
    par Retrieval branches
        App->>V: retrieve authorized candidates
        V->>DB: vector scan + lateral visibility lookup
        DB-->>V: rows or deadline
    and
        App->>K: retrieve authorized candidates
        K->>DB: keyword search
        DB-->>K: rows or deadline
    end
    App->>App: retain fulfilled rows and record timed-out legs
    App-->>API: results + retrieval status
    API-->>UI: complete or partial response
    alt Partial coverage
        UI->>UI: keep matches and show incomplete notice
        UI->>API: Try again
    end

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