Implement native ADV message skip

tools/age_opcodes_himegari.py

@@ -7,7 +7,7 @@ INFERRED: dict[int, dict] = {
     0x71: dict(name='label-def', category='structural', noop=True, confidence='high', source='investigation', summary='1 imm; count == T1 table size -> the label/anchor T1 indexes. v1 no-op; revisit if menu/callback dispatch looks up by id'),
     0x7b: dict(name='coroutine-save-yield-handlers', category='control', noop=False, confidence='high', source='investigation', summary='(handler1_pc)(handler2_pc) — scene-coroutine: save the two per-frame yield/resume handler PCs. Native writes op1→ctx[0x6da88+idx*4], op2→ctx[0x6db28+idx*4] (idx=ctx[0x53d14] script-context index) + gfx cmd-type 5. SC0000 0x79: `0x7b label_3c9 label_41e` registers the ADV per-frame render→poll→yield handlers. Part of the scene-coroutine framework (see engine-re.md §Scene-coroutine framework); pairs with 0x7c (resume) + 0x140 (loop iterator).'),
     0x7c: dict(name='coroutine-resume', category='control', noop=False, confidence='high', source='investigation', summary='() — scene-coroutine RESUME point. Native requires run-state bit 0x2000000 (ctx[0x6dbc8]) set — THROWS (__CxxThrowException) if unset, so it is only ever reached on a scheduler-driven re-entry, NEVER on a cold first pass (cold flow jmps over it). Restores PC=ctx[0x53d28]+ctx[0x6dbcc]*4, clears the run-bit (ctx+0xa0ce4 &= ~0x2000000), resets input/line state. SC0000 0x443 (falls into the main loop label_444). See engine-re.md §Scene-coroutine framework.'),
-    0x88: dict(name='set-message-skip', category='input', noop=False, confidence='high', source='investigation', summary='(enabled) - set the all-message skip state. Nonzero arms ADV fast-forward; zero clears the associated native run-state bit.'),
+    0x88: dict(name='set-message-skip', category='input', noop=False, confidence='high', source='investigation', summary='(enabled) - set persistent all-message Skip state. Nonzero makes the interpreter inject ADV fast-forward input every tick; zero stops injection and clears the transient skip run-state bit.'),
     0x90: dict(name='register-hotspot-callbacks', category='input', noop=True, confidence='high', source='investigation', summary="(x)(y)(w)(h)(on_enter_pc)(on_leave_pc)(on_activate_pc) - append an inclusive cursor rectangle and three callback PCs to the current script frame's native input registry. This opcode only registers; the ADV input service dispatches callbacks later."),
     0x93: dict(name='cancel-hotspot-wait', category='input', noop=True, confidence='high', source='investigation', summary="Reset the current frame's hotspot registry/input wait and clear native run-state bit 0x00800000. Used before opening History, Menu, or HIDEWIN flows."),
     0x94: dict(name='arm-hotspot-wait', category='input', noop=True, confidence='high', source='investigation', summary='Arm native hotspot input processing after the script has registered its rectangles.'),
@@ -17,7 +17,7 @@ INFERRED: dict[int, dict] = {
     0xb6: dict(name='sfx-release', category='audio', noop=False, confidence='high', source='investigation', summary='(channel) - stop/destroy the channel decoder and DirectSound buffer, clear its retained resource id, and leave the slot empty. Idempotent for an unused channel.'),
     0xc2: dict(name='fade-bgm', category='audio', noop=False, confidence='high', source='investigation', summary='(target_percent)(duration_ms) — block script service while linearly fading current BGM volume to 0..100%. Durations >=1000 ms use 100 steps; shorter fades use 10. Target 0 releases the current BGM source at completion.'),
     0xd9: dict(name='clear-run-state-0x1000', category='control', noop=True, confidence='high', source='investigation', summary='Clear native run/service bit 0x1000; if the secondary context is active, clear the same bit there. SC0000 executes it once after the initial SFX-channel reset, with no VM-visible result.'),
-    0x101: dict(name='reset-message-skip-input', category='input', noop=False, confidence='med', source='investigation', summary='Reset transient message-skip/input service state after an ADV chrome action.'),
+    0x101: dict(name='reset-message-skip-input', category='input', noop=False, confidence='med', source='investigation', summary="Reset transient message-skip/input service state after an ADV chrome action without clearing op 0x88's persistent all-message Skip flag."),
     0x109: dict(name='get-cursor-virtual', category='input', noop=True, confidence='high', source='investigation', summary="(out_x)(out_y) - read the OS cursor and convert it into AGE's virtual-screen coordinates."),
     0x10a: dict(name='set-cursor-virtual', category='input', noop=True, confidence='high', source='investigation', summary='(x)(y) - convert AGE virtual-screen coordinates to client/screen coordinates and move the OS cursor.'),
     0x140: dict(name='coroutine-label-yield', category='control', noop=False, confidence='med', source='investigation', summary="(out)(name_str)(sub_str)(in) — scene-coroutine LOOP ITERATOR / labeled yield. Handler copies name/sub strings + the int operand and calls the NATIVE video/transition service (*DAT_005c6018)(8, ctx[0x54fe8], &{name,sub,in}); writes the returned PC-like value to operand 1. In SC0000 label_462 'ループ開始' (@0x46d): `out=G[0x6be]=LABEL('J',G[0x6be])`; loop runs the intro-setup body (incl. call label_125bd = slot-table fill G[0x3239..0x324e]=4..11) and jmps back until out==G[0x6c3] (a per-scene exit-PC immediate) → mov aba5c 0 → content. The gate G[0xaba5c]==1 that opens this loop is NATIVE scene-entry state (no script sets it to 1). DAT_005c6018 is runtime-resolved (all xrefs READ) = SAME class as the DirectDraw workers we don't model. PORT = HOST-MODEL IMPLEMENTED: synthesize the ADV scene-entry gate, run the LABEL/J setup body once, then return the structurally discovered per-scene terminal; do not emulate the video service. See engine-re.md §Scene-coroutine framework."),