data_table: declarative cell renderers Phase 1 (Badge/Progress/Duration/Icon)

Adds TableInput.column_specs sidecar field enabling apps to declare Badge,
Progress, Duration and Icon renderers per column without writing ImGui inline.
Back-compat: apps without column_specs compile and behave identically.

- data_table_types.h: CellRenderer enum, BadgeRule, IconMapEntry, ColumnSpec types
- data_table.cpp: hex_to_imcolor helper, icon_name_to_glyph static map (~30 Tabler icons),
  draw_cell_custom dispatcher, integration in Stage-0 and Stage-N cell loops and draw_extra_panel
- Bump version 1.0.0 -> 1.1.0 with capability growth log
- cpp/tests/test_column_specs.cpp: 5 smoke/linker tests (back-compat + 4 renderer types)
- cpp/tests/CMakeLists.txt: register test_column_specs target linked against fn_table_viz
- types/core/{cell_renderer,badge_rule,icon_map_entry,column_spec}.md: registry type mds
- docs/capabilities/data_table_renderers.md: canonical doc with end-to-end examples
- docs/capabilities/INDEX.md: added data-table-renderers group

All tests green: test_column_specs 5/5, test_fn_table_viz_smoke 8/8,
tql_emit 41/41, tql_apply 88/88, Wave-1 tests 8/8.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

types/core/badge_rule.md

@@ -0,0 +1,22 @@
+---
+name: BadgeRule
+lang: cpp
+domain: core
+version: "1.0.0"
+algebraic: product
+definition: |
+  struct BadgeRule {
+      std::string value;
+      std::string color_hex;
+      std::string label;
+  };
+description: "Regla de badge para CellRenderer::Badge. Mapea un valor exacto de celda a un color hex y un label visual opcional. Si label vacio, se usa value. Issue 0081-N."
+tags: [tables, tql, types, cpp-tables]
+uses_types: []
+file_path: "cpp/functions/core/data_table_types.h"
+---
+
+## Notas
+
+`color_hex` acepta `"#rrggbb"` o `"rrggbb"`. Sin alpha — siempre opaco.
+`value` es exact match case-sensitive. Sin wildcards ni regex en Phase 1.

types/core/cell_renderer.md

@@ -0,0 +1,24 @@
+---
+name: CellRenderer
+lang: cpp
+domain: core
+version: "1.0.0"
+algebraic: sum
+definition: |
+  enum class CellRenderer : uint8_t {
+      Text     = 0,
+      Badge    = 1,
+      Progress = 2,
+      Duration = 3,
+      Icon     = 4,
+  };
+description: "Enum declarativo de modo de render por columna para data_table. Text = comportamiento actual (back-compat). Badge/Progress/Duration/Icon activan renderizado visual via TableInput.column_specs. Issue 0081-N."
+tags: [tables, tql, types, cpp-tables]
+uses_types: []
+file_path: "cpp/functions/core/data_table_types.h"
+---
+
+## Notas
+
+Sum type (enum). Valores futuros reservados: Button=5, TextInput=6, Custom=7.
+El renderer se usa via `ColumnSpec.renderer` dentro de `TableInput.column_specs`.

types/core/column_spec.md

@@ -0,0 +1,32 @@
+---
+name: ColumnSpec
+lang: cpp
+domain: core
+version: "1.0.0"
+algebraic: product
+definition: |
+  struct ColumnSpec {
+      std::string              id;
+      CellRenderer             renderer = CellRenderer::Text;
+      std::vector<BadgeRule>   badges;
+      bool                     progress_scale_100 = false;
+      std::string              progress_color_hex;
+      float                    duration_warn_ms  = 1000.0f;
+      float                    duration_error_ms = 5000.0f;
+      std::vector<IconMapEntry> icon_map;
+  };
+description: "Spec declarativa de render para una columna de data_table. Indexada por posicion en TableInput.column_specs. Activa Badge/Progress/Duration/Icon sin escribir ImGui inline. Issue 0081-N."
+tags: [tables, tql, types, cpp-tables]
+uses_types:
+  - CellRenderer_cpp_core
+  - BadgeRule_cpp_core
+  - IconMapEntry_cpp_core
+file_path: "cpp/functions/core/data_table_types.h"
+---
+
+## Notas
+
+`id` es un identificador estable para uso futuro en TQL roundtrip (Phase 2).
+En Phase 1 no se serializa — el caller construye `column_specs` cada frame.
+Los campos de renderer no activo se ignoran: si `renderer=Badge`, solo se leen
+`badges`; si `renderer=Duration`, solo `duration_warn_ms` y `duration_error_ms`.

types/core/icon_map_entry.md

@@ -0,0 +1,24 @@
+---
+name: IconMapEntry
+lang: cpp
+domain: core
+version: "1.0.0"
+algebraic: product
+definition: |
+  struct IconMapEntry {
+      std::string value;
+      std::string icon_name;
+      std::string color_hex;
+  };
+description: "Entrada de mapa de iconos para CellRenderer::Icon. Mapea un valor de celda a un nombre de icono Tabler (ej. 'TI_BOLT') y un color opcional. Issue 0081-N."
+tags: [tables, tql, types, cpp-tables]
+uses_types: []
+file_path: "cpp/functions/core/data_table_types.h"
+---
+
+## Notas
+
+`icon_name` debe coincidir con un macro de `cpp/functions/core/icons_tabler.h`.
+Lookup estatico en `data_table.cpp` cubre ~30 iconos frecuentes. Si el nombre
+no esta en la tabla, la celda se renderiza como texto plano.
+`color_hex` vacio -> color de texto por defecto.