feat(catalog): activate bim_dx_comparison_table (IMP-04 Track A 4/16)

Reason : V4 UAI=1 (01-2 "용어간 상호관계") — UAI tier strongest after F12/F11.
Track A frame 4 per Codex round 41 V4-priority acceptance.

3-layer architecture (matrix §0) :
- V4 = matching authority — V4 ranked this frame use_as_is for 01-2.
- figma_to_html (1171281195) = source/evidence — analysis/texts/index.html/
  flat/assets all present.
- Phase Z = runtime orchestration — adds catalog + new builder + new parser +
  new partial + smoke fixture.

NEW builder + NEW parser (Codex round 41 mandatory review path) :

1. src/phase_z2_mapper.py — NEW `compare_row_2col_item` parser in ITEM_PARSERS
   - input : (top_line, nested_lines)
   - output : {label, col_a, col_b}
   - label = bold from top_line
   - col_a / col_b = first 2 nested bullets, optional prefix stripping ("BIM:"/
     "DX:" or similar ≤8-char tag with colon)
   - inline emphasis preserved as <strong>

2. src/phase_z2_mapper.py — NEW `compare_table_2col` PAYLOAD_BUILDERS entry
   - payload : title + col_a_label + col_b_label + rows[]
   - builder_options : item_parser, col_a/b_label_default, max_rows (default 999)
   - max_rows truncation tracked via _truncated_count

3. templates/phase_z2/families/bim_dx_comparison_table.html — NEW partial
   - 3-column grid (category / col_a / col_b) with header row + N data rows
   - PROMOTED CSS : title gradient (#000 → #883700, zone-title family), header
     brown bg (rgba(50,31,9,0.85-0.95)), zebra striping, brown family bullet
     accent, subtle border (#A5BBB4 F11 family).
   - NOT PROMOTED (P1 case-by-case + preservation guardrail) : Figma column
     header raster icons, color emphasis variants, hanja deco. figma_to_html
     source evidence remains preserved.
   - ADAPTED : Figma absolute positioning + zoom → Phase Z flex/grid 3-col
     table, typography → token-fixed, row heights auto content-fit.

4. templates/phase_z2/catalog/frame_contracts.yaml — F18 contract appended
   - frame_id=1171281195, family=table, source_shape=top_bullets, strict 2
     (2 columns), role_order=[col_a, col_b].
   - visual_hints.min_height_px = 350 (title 30 + header 30 + 6 rows×35 +
     padding 30 = 300 + 50 buffer; F14-class).
   - accepted_content_types = [text_block].
   - sub_zones : col_a_header / col_b_header (strict 1 each) + rows (min 1,
     max 12 category rows).

5. scripts/smoke_frame_render.py — bundled fixture for F18 self-check (6
   category rows : 범위 / S/W / 프로세스 / 성과물 / 활용 / 수행개념).

Verification :
- python -m py_compile src/phase_z2_mapper.py scripts/smoke_frame_render.py
  : PASS
- python scripts/smoke_frame_render.py --self-check : PASS 7/7 (F18 added
  at 4211 chars CSS-only)
- python scripts/smoke_frame_render.py bim_dx_comparison_table --render-to
  data/runs/imp04_f18_visual : PASS, R3 artifact, 0 raster refs (CSS-only)
- python run_mdx03_pipeline.py --phase-z2 --run-id imp04_f18_regression :
  PASS (MDX 03 V4 rank-1 still F13/F29; F18 only routes 01-2 per V4)

scope-lock honored (3-layer + 4-class) :
- V4 logic / V4 evidence yaml : unchanged
- Existing PAYLOAD_BUILDERS (4 builders) : unchanged. compare_table_2col added
  as NEW entry.
- Existing ITEM_PARSERS (2 parsers) : unchanged. compare_row_2col_item added
  as NEW entry.
- Existing 6 partials : unchanged.
- Composition planner / production render / Phase R' / AI/Kei : unchanged.

4-class status :
- class 1 readiness : ✅ contract + new builder + new parser + partial +
  smoke fixture + R3 artifact aligned.
- class 2 content-fit : watch — cell content single-line; long Korean
  sentences may wrap. Row height auto handles wrap; max_rows=12 limit
  protects vertical overflow.
- class 3/4 : N/A.

Codex review mandatory per scope-lock §5 (new builder pattern first
introduction : compare_table_2col).

Refs Gitea #4 (IMP-04 Track A frame 4 — V4 UAI tier, NEW builder)

templates/phase_z2/catalog/frame_contracts.yaml

@@ -386,3 +386,63 @@ construction_bim_three_usage:
       body_key_pattern: "category_{n}_body"
       empty_label: ""
       empty_body: []
+
+
+bim_dx_comparison_table:
+  # Reason : V4 UAI=1 (01-2 "용어간 상호관계") — UAI tier strongest after F12/F11.
+  # Pattern : table / compare-rows — 2-column compare table, N category rows.
+  # Track A frame 4 (Codex round 41 accepted, V4 priority strict).
+  # NEW builder `compare_table_2col` + NEW parser `compare_row_2col_item`.
+  template_id: bim_dx_comparison_table
+  frame_id: 1171281195
+  family: table
+
+  source_shape: top_bullets
+  cardinality:
+    strict: 2                              # 2 columns (BIM vs DX 등)
+    overflow_policy: abort_or_review
+
+  role_order:
+    - col_a
+    - col_b
+
+  # min_height_px derivation :
+  #   Figma frame compare table — N rows × ~40 px row height.
+  #   Phase Z compact (title 30 + header 30 + 6 data rows × 35 + padding 30) = 300
+  #   + safety buffer (longer cell content 보호) 50 = **350**. F14 와 동등 class.
+  #   Confirm via smoke + R3 artifact.
+  visual_hints:
+    min_height_px: 350
+
+  accepted_content_types:
+    - text_block
+
+  # Frame Slot 선언 : header (col_a/col_b) + rows[].
+  sub_zones:
+    - id: col_a_header
+      role: header
+      accepts: [text_block]
+      cardinality: { strict: 1 }
+      partial_target_path: ".f18b__header > .f18b__header-cell:nth-child(2)"
+    - id: col_b_header
+      role: header
+      accepts: [text_block]
+      cardinality: { strict: 1 }
+      partial_target_path: ".f18b__header > .f18b__header-cell:nth-child(3)"
+    - id: rows
+      role: data
+      accepts: [text_block]
+      cardinality: { min: 1, max: 12 }       # N category rows (typical 4-8)
+      partial_target_path: ".f18b__rows"
+
+  payload:
+    title:
+      source: section.title
+    # NEW builder `compare_table_2col` (phase_z2_mapper.py) +
+    # NEW parser `compare_row_2col_item` (ITEM_PARSERS).
+    builder: compare_table_2col
+    builder_options:
+      item_parser: compare_row_2col_item    # NEW parser — top_bullet → {label, col_a, col_b}
+      col_a_label_default: ""               # MDX 명시 또는 frame default
+      col_b_label_default: ""
+      max_rows: 12                           # typical 4-8, overflow 보호