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@@ -17,7 +17,7 @@ Promote to a prose `structures/…md` file when a format needs behavioural notes
 | T8aD 2D texture | ✅ | `sylpheed-formats/src/t8ad.rs` | **100 % of the disc decodes** (19 216/19 216, measured). The "~15 % deferred variants" were a wrong model, not a variant: a surface is a list of **arbitrary sub-rectangles**, each with a 16-byte header of `dst X, dst Y, width, height`, not a 256×256 grid — `0x1c` is the **rectangle count**. Uncovered area stays transparent. **Colours ✅ CONFIRMED** ([k8888](structures/texture-color-k8888.md)) |
 | RATC bundle | ✅ | `sylpheed-formats/src/ratc.rs` | child listing confirmed. **"One level deep" is not a limitation — there is nothing deeper**: 2 859 bundles hold 18 002 children at depth 1 and **0 at depth 2**, with no parse failures. Nested RATC blobs are **leaf records that reference siblings by name** (`opt `, the sprite name): 3 311 leaves, all embedding sibling names, **10 144 of 10 148 references resolve**. The 4 that do not are one dangling asset — `pmbase.rat` → `pmbase.t32` in `GP_STAGE_CLEAR.pak`'s four language builds, and `pmbase.t32` is **on the disc nowhere** |
 | LSTA sprite list | ✅ | `sylpheed-formats/src/lsta.rs` | A display list of inline elements: **T8aD sprites and `PRMD` primitives**. The `count` at `0x04` is **exact and counts both** — `count == T8aD + PRMD` for **64/64** lists on the disc, which retires the old "a few entries disagree" note (it compared sprites against a total including primitives). **All 1 281 sprite frames decode** after the T8aD rectangle-list fix |
-| IXUD subtitle | 🟡/✅ | `sylpheed-formats/src/ixud.rs` + [movie link](movie-subtitle-link.md) | timed cues. **The movie↔subtitle↔voice link is solved — statically**, and as of 2026-08-25 read from the IDXD **record table** rather than scraped from the string pool: **104 cutscene slots binding 101 distinct movies**, 99 slots / 96 movies with a subtitle, 99 / 96 with a voice track, 22 / 22 with a telop. ⚠️ The previous counts (94 / 83 / 21) were the numbers of **distinct pool strings** — a repeat reference contributes no token, so 13 later `VOICE_D_450..454` references read as "no binding". **All 18 hokyu movies are bound**, not five. 93 of the 94 distinct subtitle members resolve; `SUBTITLE_S12B.tbl` resolves in none of the six languages — a dangling reference on the disc. The ~104 **script ids are no longer ❔**: they are literal positional field keys in `BASE_INFO`, each naming its record, and all 104 resolve. `movie_manifest::parse` now reads the record table; CSV regenerated by `examples/movie_map_csv.rs` |
+| IXUD subtitle + caption text | ✅ | `sylpheed-formats/src/ixud.rs` + `movie_subtitle.rs` ([container](structures/idxd-container.md) · [movie link](movie-subtitle-link.md)) | **The IXUD record/field table is decoded and wired in (2026-08-26)** — `IxudObject` mirrors `IdxdObject`; uniform 16-byte records, 12-byte fields, every offset in **chars**, and the word at `0x08` is record 0's hash, not a schema id. Verified disc-wide: **1104/1104** objects, **1476/1476** records, **628 165/628 165** named fields reproducing their `ixud_hash` (`tests/ixud_records_disc.rs`). **Caption text: 537 → 8800 lines, which is 8800 of 8800 distinct keys.** Two steps — generalising the key parser from `MSG_DEMO_*` to all **eight** families (`ACRO ADAN ADPL BIRD DEMO RHIN TCAF` use `MSG_<FAM>_<id>_<page>_<line>`, `VOICE` alone inserts a family letter) took 537 → 8074; switching from **token adjacency to record fields** took it to 8800. ⚠️ An earlier "1.3 % of the game's text" figure of mine counted *occurrences across blocks* — the honest denominator is **8800 distinct keys**, so the real starting point was 6.1 %. The `DEMO` control shows why the field route matters: token adjacency finds 537 lines there, fields find **541** — it was dropping lines in the one family it was written for. | timed cues. **The movie↔subtitle↔voice link is solved — statically**, and as of 2026-08-25 read from the IDXD **record table** rather than scraped from the string pool: **104 cutscene slots binding 101 distinct movies**, 99 slots / 96 movies with a subtitle, 99 / 96 with a voice track, 22 / 22 with a telop. ⚠️ The previous counts (94 / 83 / 21) were the numbers of **distinct pool strings** — a repeat reference contributes no token, so 13 later `VOICE_D_450..454` references read as "no binding". **All 18 hokyu movies are bound**, not five. 93 of the 94 distinct subtitle members resolve; `SUBTITLE_S12B.tbl` resolves in none of the six languages — a dangling reference on the disc. The ~104 **script ids are no longer ❔**: they are literal positional field keys in `BASE_INFO`, each naming its record, and all 104 resolve. `movie_manifest::parse` now reads the record table; CSV regenerated by `examples/movie_map_csv.rs` |
 | Fonts (ttf/otf/ttc) | ✅ | `sylpheed-formats/src/font.rs` | standard OpenType, parsed via ttf-parser |
 | XBG7 mesh | ✅/🟡 | `sylpheed-formats/src/mesh.rs` + `tests/mesh_disc.rs` ([xbg7](structures/xbg7-mesh.md)) | **6 294 resources, 6 209 decode (98.7 %), 82 searched-and-missed** (2026-08-12, up from 5 480 / 87.1 %). Five evidence-driven fixes got there: **distinct anchor assignment** (no two resources may claim one buffer — proved by a capture showing the container holds both mirrored `e106` hull halves), the connectivity cap replaced by a **winding-consistency gate at 0.70**, **structural requirements on pre-pivot sub-meshes** (index range, then exact pool coverage), and **filtering after the assignment** so a subset query cannot differ from the full decode. Validated against a runtime capture that names the file offset of every buffer the engine drew: **46/46 drawn buffers claimed, 45 anchored exactly**. **No real mesh now decodes differently in different containers** — all 89 remaining cross-container disagreements are interchangeable 24-vertex bounding boxes, which no anchoring rule can pin (monotone order re-tested and refuted). Remaining misses attribute to the degeneracy/extent gate (42), winding (31) and coverage (9); the first was probed and its "obvious" fix refuted. Every decoded sub-mesh covers its own vertex pool. **The `[index buffer][vertex buffer]` layout is now runtime-verified** (2026-08-13): with the F10 capture extended to log each draw's index buffer, all **42** drawn `Stage_S02` buffers match our decoded index count exactly, all 42 have their index union cover the pool exactly, and the 30 single-block cases all sit at `pad ≤ 3` — so `e106_eng_02_l`'s old rejection was the connectivity gate, not a misplaced index buffer. The `indices=` mystery was the capture keeping only the **first of several index batches** per buffer. **And comparing index VALUES found the biggest silent defect yet**: the anchor took the first `pad` that validated, so a block whose index data sits at pad 2 was read **one element late** — 76/93 captured runs matched, all 17 differences a one-element shift. Scoring pads by degenerate triangles + winding fixes it: **93/93** captured runs now match byte for byte, disc-wide degenerate runs **582 → 1** (the grouped path had the same bug; and two resources were anchored on a degenerate lookalike earlier in file order), **590 of 8 850** sub-meshes re-wired with 10 vertex anchors moved, resources decoded unchanged at 6 209. Cross-container minority decodes 89 → 96 — *because* the decoder improved: `_rou_f402_dead` now has a majority (32×25×8) so its seven wrong copies are named instead of hidden. One dirty run remains, blocked by distinct assignment on a 24-vertex box. **Then the descriptor gave up its last structural secret**: it declares a vertex layout **per sub-mesh** (`n201_01` → strides 24/24/24/**28**, capture-confirmed), and grouped selection must prefer the candidate explaining the **whole** pool rather than the first whose pivot validates — together they take never-decoding resources **85 → 47** (**6 247 / 6 294 = 99.25 %** decode), put `n201_01` on all four capture-proven offsets and raise the stage-05 capture oracle to **128/128**. The residual 47 is 30 pose/proxy composites (0.010-unit marker boxes), 6 `.DAT` particle composites, 8 damage/LOD variants and 3 props — not a threshold away |
 | Capital-ship part placement | ✅ | `sylpheed-formats/src/ship.rs` (static) + [runtime capture](ship-placement-runtime-capture.md) | Placement is **sound** (hull static-exact against the `e106` capture; cross-id mounting genuinely narrow, 2 pairs across 335 ships). The XBG7 mis-decode this row used to blame for "ships assemble wrong" — a shared turret ~100× too large in some containers — is **fixed** (2026-08-12, the exact-coverage requirement): `e303_wep_01` now decodes 49×23×42 everywhere and places at ±179 on the `e106` hull, and no real mesh disagrees across containers. A composite-node audit confirmed the assembler itself never applied a bad scale (all nodes scale 1.0, orthonormal). Still open: `static_assembly_matches_runtime_capture` walks capture parts only, so **extra** static placements cannot fail it |