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Matiq bdf9f21a60 docs: AGENTS.md + refresh README/roadmap/summary/SESSION_HANDOFF to P4 canon; rm empty logs 
- AGENTS.md: canonical build/test commands, honest trimmed tone metric, current
  bit-exact state (mask-apply chain), open gaps (PRNG/FFT-conv/exp2/SR-mismatch).
- README.md: status moved to P4 (C++ FramedDetector canon, framed_test), historical
  B.1..B.15 numerical model demoted to <details>; structure/doc table updated.
- roadmap.md: P4 phase marked progress, P4.1/P4.2/P4.3 milestones, top status refresh.
- summary.md: marked historical (behavioral v4).
- SESSION_HANDOFF.md: fixed stale "NOT DECODED" (now decoded), copy note done.
- Removed empty tmp_spec.txt/giant3.txt and untracked .log/__pycache__ clutter.
 2026-08-20 15:50:07 +03:00
Matiq 77b639ee82 chore: fix .gitignore to track decompiled .dis/.bin disassemblies 
.gitignore used '*' as ignore-all with only extension whitelists, so the 128
handoff/nls_dasm/*.dis + 6 *.bin disassembly outputs (f_563a60, f_56e3e0,
f530850_full, f_52b570, fft, twin, ...) were NOT tracked - data-loss risk.
Now un-ignore handoff/nls_dasm/*.{dis,bin} explicitly. Heavy .bin dumps
(soothe_mem.bin etc.), logs, wav/rpp, dl/lib/bin/ghidra-proj stay ignored.
 2026-08-20 15:42:42 +03:00
Matiq 2e0b107b4c P4: document PRNG prologue + remaining bit-exact gaps 2026-08-20 15:32:47 +03:00
Matiq 87dbf88e6d P4: add dual warp step (mask *= band768; *= warp) - comb 500/3000 fixed 2026-08-20 15:30:30 +03:00
Matiq 0d262461ea P4: lock bigkernel semantics (exp2(-mask)*blend) + calibrate scale 
Read the 0x26b820 SIMD loop: the exp2 result is multiplied by the blend buffer
(vmulpd at 0x18026bba0 with ymm11=blend) => mask = exp2(-level)*blend, sign
inverted for attenuation. framed_model.cpp corrected to exp2(-scratch)*0.8.
Calibrated level_scale=600 -> t1kq err -0.06 dB (ref -14.98). comb per-tone
errors reduced (max ~7.8 dB); warp/FFT-conv smoothing still approximated.
 2026-08-20 15:25:49 +03:00
Matiq d4a0a68584 P4: transcribe exact FUN_180529fe0 mask chain (structural, not yet calibrated) 
framed_model.cpp now follows the decoded mono-path structure:
  level -> scale(0x540870*0x54088c/0x1a0) -> IIR1 leaky(A1/B1) -> IIR2(A2/B2)
  -> exp2(0.5*(mask-blend)) -> combine/acc -> warp -> IIR3(A3/B3)x2 -> dry/wet
IIR stages are the real live tables (iir_leaky y=A*acc+B*x, B=1-A). Removed the
empirical mask_lut=(1/(1+K*acc))^n. Not numerically calibrated yet: exp2 bigkernel
exact semantics + PRNG prologue (fVar30) + FFT-conv still TBD; t1kq depth -2.9 vs
-14.98 dB ref.
 2026-08-20 15:10:29 +03:00
Matiq f23bbfa1f6 P4: decode FUN_180529fe0 mono-path exactly + extract live mask tables 
Full decomp of the per-band mask-apply loop (scale -> IIR1/2/3 leaky ->
blend -> exp2 bigkernel -> combine/accumulate -> dual warp -> dry/wet -> FFT-conv).
Extracted runtime tables to rt_mask_tables.{hpp,cpp}: IIR A1/B1,A2/B2,A3/B3
(leaky y=A*acc+B*x, B=1-A), warp 0x5406a8, per-band 0x540768, PRNG LUT 0x5408b0.
bigkernel 0x26b820 = vectorized exp2 (log2e/floor/mantissa tables). Fixed the
broken warp line in framed_model.cpp (compiles again).
 2026-08-20 15:00:53 +03:00
Matiq fc48a9fee4 P4: real mask chain in FramedDetector (level-tracker + accumulator + live-calibrated LUT), t1kq err 0.5dB 
Replace empirical PCHIP detector with live-calibrated mask chain from FUN_180529fe0:
  level = am*res*scale; track += w*(level-track) (per-bin attack/release weights
  extracted from RT snapshot, rt_weights.hpp); acc = (level-track)+level; mask =
  (1/(1+K*acc))^n (K=9.8026 n=0.25966 fitted to live mask band0). min-combine.

Results (N=2048 hop=512): t1kq single-band err +0.51 dB (-14.47 vs -14.98 dB ref);
comb 4-band per-tone -3.4..+5.8 dB (old PCHIP over-cut comb ~6 dB). Adds framed_test
harness for C++ FramedDetector eval on tone1kq/comb.
 2026-08-20 13:11:27 +03:00
Matiq 5c939583f5 P4: multi-band FramedDetector (per-band twin res, sens-scaled GAIN, min-combine); tt_base 61.40%; min-combine wrong (soothe2 uses additive accumulator 0x5407c8) 2026-08-20 10:41:24 +03:00
Matiq 0cdc57972c P4: port framed_render.py model to C++ (FramedDetector: twin-res -> level -> Pchip LUT -> warp -> res^rp gain), replace empirical Detector; tt_base 49.93%->61.45% (single-band); multi-band refs still 100% (model is single-band) 2026-08-20 10:31:43 +03:00
Matiq 45dfe2b8c2 P4: full decomp FUN_18052e260 frame driver (twin side-chain per band, LUT+mask+FFT-conv run per drained frame); wire order documented 2026-08-20 09:28:12 +03:00
Matiq a6126d10ac roadmap: mark P1.5/P2/P2.5 DONE, P3 partial (vlog+arch, butterfly remains); ~65-70% done 2026-08-20 09:27:04 +03:00
Matiq 5a4554a9a3 P4-prep: eval_lut_bin uses float logf/expf (matches decomp FUN_180563440 logf/expf, not double std::log/exp) 2026-08-20 09:26:38 +03:00
Matiq 8fad2bbfd9 P3.5: acc_437c0 = data shuffle (re/im repack + zero-fill), not arithmetic; full butterfly = twiddle load + shuffle + mult + combine 2026-08-20 08:48:00 +03:00
Matiq feb44c3802 P3.4: transcribe plugin's own vectorized ln(x) (vlog.cpp, minimax ln(1+x) poly + ln2 range-reduction); correct prior misread — dispatch reaches runtime ln, not FFT; vlog_check ALL OK (rel 2.4e-7) 2026-08-20 07:12:56 +03:00
Matiq 7bbe7cce05 P3.3: final kernels use own vectorized sin/cos (SVML-like poly+exp, ln2=0.693147) not twiddle table for big-N; poly constants captured from rodata 2026-08-20 05:56:12 +03:00
Matiq 2a7b88e704 P3.2: map full 4-level FFT dispatch (535a70->140a10/70->jumptable->runtime table->6 final split-radix kernels 0x1802a24c0..2ce4a0); kernels force MXCSR round-to-nearest 2026-08-20 02:58:01 +03:00
Matiq 88422034f5 P3.1: extract FFT code from rt snap (extract_fft.py); decode cplx_mul 0x8440 = in-place elementwise double mult, twiddle loader 0x39b00 stride copy, dispatcher 0x535a70->0x140a10/70->jumptable[0x1826159a0]=4; implement cplx_mul_scalar_inplace 2026-08-20 02:25:59 +03:00
Matiq 22e4599e0a P2: decode mask-accumulator combine kernels from raw bytes — combine3(0x8d60)=sub, acc_add(0x5a20)=dst+=src, acc_fma(0x3c40)=dst+=a·b; implement + levelpath_check ALL OK 2026-08-20 01:30:33 +03:00
Matiq d3db772121 P2.5: decode twin-mask factory (FUN_18056e3e0 = constant fill 2π/(count·SR)) + band LUT apply (FUN_180563a60: level->gain t^γ/power-law); implement in levelpath.cpp, levelpath_check ALL OK 2026-08-20 01:23:22 +03:00
Matiq a49e35dc25 P1.5: embed live level-tracker A[] + mask scalars into C++ (dsp/leveltrack_data.hpp); leveltrack_check sanity confirms SR=48000, A_ATTACK plateaus 0.692, attack/release=1.0 2026-08-20 01:12:12 +03:00
Matiq 0e90918226 P1.5 SOLVED: live ctx (0x2370040, +0x24==48000) + level-tracker A[] + mask scalars captured via realtime playback; method play.lua + rtctx_rt.py; prior 'unreachable' was offline-engine artifact 2026-08-20 00:44:58 +03:00
Matiq fe43509d50 NOTES_CAPTURE: P1.5 live level-tracker A[]/ctx confirmed unreachable (window ptr only in registry, no +0x24==40000 object); scalars static-derived from RPP; 2 missing consts 0x24c4348/44a4 2026-08-20 00:11:45 +03:00
Matiq c5d2b2ad7f P1.5: rtctx.py live-capture pipeline (registry-scan + ctx discovery); confirms live level-tracker A[]/ctx not reachable (window ptr only in registry, no +0x24==40000 object) => scalars are static-only 2026-08-20 00:11:25 +03:00
Matiq fd5a46542b roadmap: reflect P0-P2 (tables/fftconv/leveltrack/mask-canon) + exact estimate of remaining code (P1.5-P5, ~60% left) 2026-08-19 23:58:20 +03:00
Matiq 433a0026e6 P2: level-tracker UPDATE-loop located (inline bidirectional IIR in FUN_180529fe0), structural module leveltrack (iir_first_order/bidirectional/unrolled4); scalar==unrolled verified; remaining = live A[] coeffs 2026-08-19 23:53:01 +03:00
Matiq cff28a605c P1.4: full FUN_180529fe0 decomp confirms mask-canon (scale->IIR->blend->combine+weights->warp->dry/wet->FFT-conv); documented remaining live scalars for bit-exact 2026-08-19 23:34:02 +03:00
Matiq 8b8895f68a P1.3: integrate FFT-conv stage (build_fir_from_window step5 memcpy + fir_from_mask + overlap-save conv) with captured WIN_WINDOW; fftconv_check confirms FIR=window[2048:4096]={0.8->1.0} 2026-08-19 23:25:21 +03:00
Matiq 42316efa71 P1.2: confirm f_52d990 memcpy via decomp (FUN_18052d990(lVar22, window+N/2, N/2)); infer N=4096 from freq-axis spacing + window sape; step-5 low-pass near-flat ramp 2026-08-19 23:20:38 +03:00
Matiq 241957bced P1.2: f_52d990 = memmove/memcpy thunk, NOT a multiply; corrected step-3/5 FIR window semantics (copy window tail + const fill); xmm9/xmm13 remain 2026-08-19 23:17:31 +03:00
Matiq fd9b1fd001 P1.1: embed runtime-captured DSP tables (WIN_WINDOW, FREQAXIS@48k, WA/WB/WC/WD), dsp_ctx registry mirror, tables_check ALL OK 2026-08-19 22:48:32 +03:00
Matiq 83af30d7c0 P0: track twin.cpp/twin.hpp/rotor_kernel.hpp (were shadowed by .gitignore) 2026-08-19 22:00:22 +03:00
Matiq f8b91e8015 P0.3-4: harness reads flat params (in/out/[conf]), byte-verified trim; verify_bit_exact.py uses SOURCE WAVE+RENDER_FILE from RPP, sample-report mono/stereo 2026-08-19 22:00:14 +03:00
Matiq 58164f2952 P0: fix build (levelpath in CMake, FLOOR_LIN, exact LUT curve formulas), robust RPP param decoder (607 rpp ok), preserve f_52b570/f529fe0 disasms 2026-08-19 21:54:26 +03:00
Matiq 55623b998f chore: add rt-capture artifacts (rtobj/rtsnap scripts, rwin_*.npy tables, dsp grep dumps, rpp param decoders) 2026-08-19 20:56:58 +03:00
Matiq 02dd6e8aa7 docs: exact structural LUT curve formulas (FUN_180563440 linear/power-law), consts from PE; roadmap Q1 static side closed 2026-08-19 20:45:45 +03:00
Matiq 2484829452 docs: roadmap Q4 (0x540658 window) closed via live registry capture (SR=48000, weights), infra rtsnap* 2026-08-19 20:42:22 +03:00
Matiq 34fc852b4f docs: two-point 180s capture confirms registry stability; twin per-note state = {A[3],B[3]} not 342-dbl; Step C closed 2026-08-19 20:27:12 +03:00
Matiq 9c1516171e docs: runtime capture settled — registry heartbeat decodes live 0x540658 window & freq-axis (internal SR=48000); vptr-scan route closed 2026-08-19 20:10:22 +03:00
Matiq abf09a26cc runtime capture: registry heartbeat decodes live DSP tables (WIN 0.540658, freq-axis@48k, per-bin weights), rtsnap_fast/findctx/rtchunk infra 2026-08-19 20:06:14 +03:00
Matiq 8fdb1dc082 docs: add NOTES_TWIN.md (twin resonator + caller + grid) to the repo 2026-08-19 17:41:09 +03:00
Matiq 6c3ab92405 docs: full roadmap rewrite (drop stale phase-A recap, milestones table, doc index) + README doc links 2026-08-19 17:39:48 +03:00
Matiq 59619e4648 docs: roadmap B.12-B.15 journal + README rewrite (framed_render canonical, honest metric) 
- roadmap: current status header (decomp closed, frame-render model, honest metric),
  new assets (fraed_render/render_parity/handoff/nls_dasm/rwin tables), journal
  B.12 (bridge), Phase5 (dB parity 0.268), B.13 (res_power+decomp LUT/IIR),
  B.14 (Q-dep rp + metric artifact correction), B.15 (joint free-knot LUT, dual mean 0.027).
- README: rewrite to framed_render.py as canonical model; 3-line model formula;
  structure + corpus tables updated; honest-metric warning; next steps focused.
 2026-08-19 17:09:21 +03:00
Matiq 28cd3b7c62 Q-dep rp + honest TRIMMED metric: mean=0.175 (was misleading 0.144 artifact) 
- Exposed artifact: earlier fits measured tone_cmp on untracked-length output
  (nfr*HOP+N); framed_render.synthe trims to len(x). Honest scalar-rp=0.0169
  baseline is 0.280, not 0.160 as previously recorded.
- New model: rp(Q)=rp0*Q^drp, G/W/A/rp0/drp=0.9963/0.3335/0.9807/0.0275/0.2159.
  Trimmed errs: q0.1 0.000/0.001, q1 -0.256/-0.707, q10 +0.086/+0.001.
  q0.1+q10 perfect; bottleneck q1@2000 (structural warp mismatch).
 2026-08-19 15:48:56 +03:00
Matiq a909aae7d3 res_power final: dual mean=0.160, envRmse q0.1@500=0.05dB; joint fit confirms LUT is fc-dependent (al_* incompatible) 2026-08-19 13:10:57 +03:00
Matiq 954220139e res_power dual-only: mean=0.080, envRmse 0.64→0.05 at q0.1@500; G/W/A/rp=1.0066/0.3261/1.0764/0.0169 2026-08-19 11:32:25 +03:00
Matiq 627e8373e6 res_power breakthrough: 500Hz residual solved (q0.1 err +0.00), decomp inventory, FUN_180563440 decoded 2026-08-19 09:56:19 +03:00
Matiq 1a57c48318 runtime capture pt2: vst3 loads AT ImageBase 0x180000000; 0x540658 = field [ctx+0x540658] not RVA; beacon->ctx script (racy) 2026-08-18 21:11:29 +03:00
Matiq 41fc402b05 Handoff: multi-band combination measured - depth not split by count, sens=0 band contributes 0, band1+band2=+0.53dB over max (not product/additive) => displacement-sum+saturation; single-band B.12 off 1.4dB at 1778 2026-08-18 20:33:48 +03:00
Matiq bc46f039de Handoff: joint dual+al LUT refit fails (al rmse 0.89) - level-pickoff mechanism not statically recoverable; needs runtime mask/level capture 2026-08-18 20:27:53 +03:00