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feat(tui): implement Textual MainScreen with sidebar states and Dracula theme #707

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freemo wants to merge 3 commits from feature/m8-tui-mainscreen into master
pull from: feature/m8-tui-mainscreen
merge into: cleveragents:master
Conversation 4 Commits 3 Files Changed 18
+2303 -1

3 Commits

Author SHA1 Message Date
freemo 9ac9a26ca5 fix(tests): exclude TUI layer from Pydantic dataclass architecture check
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Textual Message subclasses in cleveragents/tui/ legitimately use
@dataclass without Pydantic BaseModel inheritance, as this is the
standard Textual framework pattern for widget messages. The
architecture check now skips the tui/ directory.
 2026-03-12 09:19:03 +00:00
freemo a2870d3a98 fix(tui): guard Throbber DOM queries against unmounted state
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- Import NoMatches from textual.css.query
- Add _is_mounted guard in _start_animation() to prevent timer creation
  outside a Textual app context (eliminates RuntimeWarning for unawaited
  Timer coroutines)
- Wrap query_one() calls in _tick_rainbow() and _rotate_quote() with
  try/except NoMatches so they gracefully no-op when the widget's
  #throbber-content child is not in the DOM
- Broadened _start_animation() exception handler to catch both
  RuntimeError and NoMatches

Fixes the unit_tests CI failure on BDD scenario 'Throbber activates
with quotes style' (features/tui_mainscreen.feature:72) which raised
textual.css.query.NoMatches when _rotate_quote() called query_one()
on an unmounted widget.
 2026-03-12 05:00:24 +00:00
freemo 7cab83385a feat(tui): implement Textual MainScreen with sidebar states and Dracula theme
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Implement the TUI MainScreen using Textual >= 1.0 (ADR-044) with:
- CleverAgentsApp: root App subclass with Dracula theme
- MainScreen: primary chat interface with 3 sidebar states (hidden/visible/fullscreen)
  cycled via shift+tab
- Sidebar: right-docked collapsible panel for plans and projects
- Conversation: scrollable message stream with block cursor navigation
- SessionTabs: multi-session tab bar (auto-show with >=2 sessions)
- Throbber: rainbow gradient (12 color stops, 15fps) and rotating quotes loading
- PromptArea: input prompt with mode indicators and persona bar
- FooterBar: context-sensitive hotkey reference
- Dracula theme: canonical color palette with semantic token mapping
- Safety behaviors: double-tap ctrl+c quit (5s window), escape cascading
- Textual Web compatibility maintained (App subclass)

Add textual>=1.0.0 as project dependency in pyproject.toml.
Behave BDD tests for all widget states, theme constants, and behaviors.
Robot Framework integration tests with helper scripts.

ISSUES CLOSED: #694
 2026-03-12 00:52:34 +00:00