Greptile code review

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Greptile Summary

This PR enhances the OpenSRE documentation by rewriting several pages for clarity, adding new overview pages for investigations and benchmarking, restructuring the integrations guide into local-CLI and hosted paths, expanding session-exit documentation, and removing two orphaned integration files.

• Navigation and structure: investigation-overview is added to "First steps" and a new "Benchmark" group surfaces cloudopsbench; both pages exist on disk. The two deleted files (integrations/aws.mdx, integrations/macos.mdx) were not referenced in docs.json navigation, so their removal is clean.
• Integrations catalog: The rewritten integrations-overview.mdx introduces a comprehensive table covering 40+ integrations across seven categories; all slug links were verified against docs.json navigation entries.
• Session continuity and masking: New sessions.mdx content documents the exit-time resume hint for three exit paths; masking.mdx removes internal function-name references in favour of user-facing language.

Confidence Score: 5/5

Documentation-only changes with no code impact; all cross-links and navigation entries verified.

Every page referenced in the updated navigation exists on disk, deleted files were confirmed orphans not present in docs.json, and all internal cross-links resolve to valid nav entries. The changes are additive improvements with no regressions.

No files require special attention.

Important Files Changed

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[User] -->|"opensre (TTY)"| B[Interactive REPL]
    A -->|"opensre investigate -i alert.json"| C[Direct Investigation]
    B -->|Plain-language or slash command| D[REPL Planner]
    D -->|Routes intent| E["Slash Commands\n/health, /integrations, /investigate…"]
    E --> F[Investigation Pipeline]
    C --> F
    F --> G["Extract context\nfrom alert + integrations"]
    G --> H["Plan evidence collection\nlogs, metrics, deploys"]
    H --> I["Test hypotheses\ntool-calling loop"]
    I --> J["Publish artifacts\nproblem.md / report.md / rca.json"]
    J -->|If Slack configured| K[Slack report]
    B -->|On exit| L["Session persisted\n~/.opensre/sessions/"]
    L -->|Resume hint printed| A

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