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57 lines
1.5 KiB
Markdown
57 lines
1.5 KiB
Markdown
---
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# claudbg-nq36
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title: 'TUI: app state model and screen enum'
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status: todo
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type: task
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priority: normal
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created_at: 2026-03-30T04:45:19Z
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updated_at: 2026-03-30T04:49:03Z
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parent: claudbg-i6l2
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blocked_by:
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- claudbg-78xt
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---
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Define the central `AppState` struct and `Screen` enum that drive the entire TUI.
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## Types to define (`src/tui/state.rs` or `src/commands/tui/state.rs`)
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```rust
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pub enum Screen {
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SessionList,
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Transcript { session_id: String },
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SubagentTranscript { parent_session_id: String, agent_id: String },
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}
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pub enum Focus {
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ChatLog,
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SubagentsPanel,
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}
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pub struct AppState {
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pub screen: Screen,
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// Session list
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pub sessions: Vec<SessionListItem>, // loaded once
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pub list_selected: usize,
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// Transcript
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pub transcript_entries: Vec<RawEntry>,
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pub transcript_scroll: usize, // vertical scroll offset
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pub transcript_h_scroll: usize, // horizontal scroll offset
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pub subagents: Vec<AgentRef>,
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pub subagent_selected: usize,
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pub focus: Focus,
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// Modals
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pub show_quit_dialog: bool,
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pub show_help: bool,
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}
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```
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## Notes
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- `SessionListItem` is a lightweight struct with the display fields (short_id, date, project, model, msg_count, agent_count).
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- State transitions: `AppState::enter_transcript(session_id)` loads entries + subagents. `AppState::go_back()` pops the screen stack (or just switches back to `SessionList`).
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- Keep all data loading in state transitions so the render function is pure.
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## Blocked by
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- ratatui dependency task (claudbg-78xt)
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