fix: preserve document wrap preferences

[nklmilojevic]

Opening a new document reset line wrapping to off. This change keeps the selected wrap setting across document views, configuration reloads, and context switches.

Set detail_wrap = true in the configuration to enable wrapping at startup. The default remains false. Changes made with w apply to the current session and do not write to the configuration file. Log wrapping remains separate.

Added documentation and tests for configuration formats, startup overrides, reopened documents, and describe results.

Validation: just check passed (formatting, Clippy, and tests).

Closes #629

[greptile-apps]

Confidence Score: 5/5

The PR appears safe to merge; the configured startup value and subsequent session preference are consistently preserved across document replacement paths.

Summary

This PR adds a configurable startup preference for document wrapping and preserves the active session preference whenever document views are replaced.

• Adds detail_wrap to TOML/YAML configuration with a default of false.
• Initializes document wrapping from the resolved startup configuration.
• Carries the current wrap state across YAML, describe, diff, events, diagnostics, journal, plugin, bundle, and related document views.
• Documents the distinction between session-level document wrapping and log wrapping.
• Adds configuration-format and document-lifecycle coverage.

Diagram

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[Resolve startup configuration] --> B[Initialize app.detail.wrap]
    B --> C[Open document view]
    C --> D[Copy current wrap into new Scrollable]
    D --> E[Render document]
    E -->|w key| F[Toggle session wrap]
    F --> C
    E -->|Reload or context switch| C

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