[TUI] Feature — Offline Notes on Issues

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Overview

When browsing issues (online or offline), you often want to jot down thoughts — "this is related to the auth refactor," "ask Sarah about this on Monday." Currently there's nowhere to put these except a separate note-taking app.

Current State

No local note-taking capability. No way to annotate issues without writing a public comment via the GitHub web UI.

Proposed Solution

Add local-only notes that attach to any item in the cache. Notes are never pushed to GitHub/GitLab — they live exclusively in the local cache database.

• No risk of corrupting or modifying remote data
• Notes work offline (local storage only)
• Notes are instant (no API roundtrip)
• Notes persist across sessions

In the TUI, pressing n on any focused item opens a text editor area. The note is saved keyed to that item's unique identifier (provider + project + item ID). Notes appear alongside issue data, visually distinct (different color, labeled "local note"). Notes are searchable via lazydash recall.

type Note struct {
    ItemID    string    // provider:project:item unique key
    Content   string
    CreatedAt time.Time
    UpdatedAt time.Time
}

Priority

Do after cache and search are working. Natural extension of the cache.

Acceptance Criteria

• n keybinding opens a note editor for the focused item
• Notes are saved to the local cache database
• Notes are never synced or pushed to any remote API
• Notes are visible in the item detail view, visually distinct from remote content
• Notes are searchable via lazydash recall