Files
cleveragents-core/robot
freemo 4e5e0624fd feat(cli): implement RendererRegistry and ElementRenderer architecture per spec
Implement the three missing architectural components of the Output Rendering
Framework as specified in issue #917:

1. RendererRegistry (spec §27249-27350): Central registry for format
   (MaterializationStrategy, ElementRenderer) pairs with register(),
   resolve(), available_formats(), is_registered() methods and a
   FormatRegistration model. Built-in formats pre-registered in
   default_registry. Replaces hardcoded if/elif chains for format
   resolution.

2. ElementRenderer Protocol (spec §26557-26654): Per-element render
   methods (render_panel, render_table, render_tree, etc.) plus
   serialize() and can_render(). Six concrete implementations:
   PlainElementRenderer, ColorElementRenderer, TableElementRenderer,
   RichElementRenderer, JsonElementRenderer, YamlElementRenderer.
   Each format now has a paired (Strategy, Renderer).

3. TerminalCapabilities (spec §27264-27301): Extended from 4 fields to
   all 11 spec-defined fields: width, height, supports_256_color,
   supports_truecolor, supports_unicode, supports_alternate_screen,
   no_color, plus renames supports_cursor → supports_cursor_movement,
   term → term_program. Backward-compatible properties preserved.

Additional fixes:
- ColumnDef serialises column type as 'type' (not 'col_type') per spec
  §26199, with alias for backward compatibility
- YAML output uses sort_keys=True per spec §27168
- Progress elements omitted from JSON/YAML per spec §26936
- MaterializationStrategy.bind(renderer, terminal_caps) method added
  to protocol and all strategy implementations (SD-19 resolved)
- Updated SD documentation in __init__.py

ISSUES CLOSED: #917
2026-06-02 16:48:22 -04:00
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