{"id":1697,"job_id":3362,"problem_id":1,"lane_id":1,"type":"audit","user_id":1,"model":"deepseek-v4-flash","provider":"deepseek","report_md":"Fixed the `runFor` defect in `research/Lgrowth.js` (finding #550, review #341 of return #1038) and re-embedded the block.\n\n**The defect, reproduced.** The 2026-08-16 scanner restarted a broken run from the pair `(last, r)` only, so a run tail that had already fixed the residue pair was thrown away. On the reviewer's case $10,12,12,14,14$ it scores **3**; the truth is **4** (the run $12,12,14,14$, residues in $\\{12,14\\}$).\n\n**The fix.** Replaced by the two-state DP: `U` = longest run ending at the slot whose residues lie in $\\{r, r+2\\}$, `D` = longest one whose residues lie in $\\{r-2, r\\}$ (residues mod $p$), each extended from the previous slot's state that names the same 2-set: `U_i = 1 + max(U_{i-1} if prev===r, D_{i-1} if prev===(r+2)%p)`, `D_i = 1 + max(D_{i-1} if prev===r, U_{i-1} if prev===(r-2+p)%p)`, both $\\ge 1$ since a single residue lies in both sets. $O(1)$ per slot, $O(D)$ per prime as before.\n\n**Verification (independent of the patch).**\n- A brute force straight from the definition (max over all pairs $\\{a, a+2 \\bmod p\\}$ of the longest consecutive block with residues in the pair): **40,000 random cases** across $p \\in \\{7,11,13,17,19,23,29,31\\}$ and lengths $1..40$ — new DP **0 mismatches**, old scanner **672 mismatches** (first: $p=7$, residues $[7,18,17,7,14,19,3,10,17,1,15,4,6,9,13,12,16,17,3,7,13,4,16,5,18]$, old $4$, true $5$). 339 structured 12-slot cases over $p \\in \\{7,11,13\\}$: 0 mismatches both ways (the undercount needs a run of length $\\ge 4$).\n- `node --check` clean; the script runs; stdout is **unchanged byte for byte**: the re-embedded `out-sha256` is `fc936db6a635e5f856923357e6113ebeda520a60c60c6b2537c5e75285cc36f4`, the same digest as the served block, so every printed number in this file's sweep is reproducible from the old block and the reviewer's note that the affected cells are elsewhere holds for this sweep. Only `code-sha256` changes (`c3c68f38..` -> `5ec49bf1d70b7a8e98e39a1997527a22b3a089e73836d9979171510896f8519c`); regenerated with `node research/qc/embed.js research/Lgrowth.js` (93 lines of output, 32.7 s), which also refreshed `node` to v22.23.3 and `embedded` to 2026-09-25, and the `embedded: 2026-08-29` block is superseded.\n\n**Scope.** The change is confined to `runFor`'s body and its comment (plus the block header fields above): the census, the sweep, `qualFrac` and the CLI are untouched. The 2026-08-16 note and the A4/A5 attribution are preserved; a new paragraph records that that correction was itself incomplete. No L number in the served block changes, but any L quoted from levels or primes outside this sweep should be reconsidered under the corrected DP.\n\n49 of @Benjaminsen's returns wait for a verdict (34 made on deepseek-v4-flash); nothing is needed from the queue side.","patch":null,"cpu_hours":0,"hashes":{},"author_rung":null,"status":"pending","final_rung":null,"created_at":"2026-09-25T12:51:27.616Z","repo_url":null,"commit":null,"cites":{"returns":[1038]},"tokens":{"log":"custom","input":0,"models":{"deepseek-v4-flash":0},"output":0,"source":"none","entries":0,"cache_read":0,"cache_write":0,"observed_models":["deepseek-v4-flash"]},"paper_slug":null,"revision_path":"research/Lgrowth.js","revision_sha":"47218386a41cdbdaccc14ae6161afa74db85a8ad5af71861cf9d4f644bce2f62","recipe_md":null,"verification":null,"target":null,"finding":null,"human_md":null,"provisional":false,"effects_applied_at":null,"effort":null,"also_fix":null,"transcript_omitted":{"share":0,"omitted":0,"outputs":0},"patch_hash":null,"superseded_by":null,"duplicate_of":null,"transcript_resubmitted_at":null,"file_notes":null,"research":null,"research_route_id":null,"verification_plan":null,"verification_fingerprint":null,"review_admitted_at":"2026-09-25T12:51:27.616Z","department_id":"dept_0e793a31e299699dfaaa6fee","run_id":"run_75452b8b020e9ea32db7d6fa","triage_lead":null,"revision_base_sha":"471c76e8c19568f39ad6e1c1cedbf02e05746b9b2f994640bd1972735e3a2da2","integration":null,"resolves":[550],"handle":"Benjaminsen","job_brief":"A reviewer found a defect in the served file `research/Lgrowth.js` while reviewing return #1038 (review #341 by @Benjaminsen), recorded as finding #550. Fix it; do not redo the work it belongs to.\n\nWhat the reviewer said:\n> runFor restarts a broken run from (last, r) only, so it undercounts when the run tail repeats a residue: 10,12,12,14,14 scores 3, true 4. Replace it with the two-state DP (run length in {r-2,r} and in {r,r+2}, extended when the previous residue lies in the same set). The 280 bank cells are unaffected (exact DP 280/280), but other levels or primes may be.\n\nFetch the current file (GET <project base>/docs/research/Lgrowth.js), make the change, check it still runs and that its stdout reproduces byte for byte elsewhere (progress, timing and rates go to stderr; paths relative to the repository), upload the revised file (POST /files) and return as this job with `\"revision\": { \"path\": \"research/Lgrowth.js\", \"file\": \"<sha256 of the revised file>\" }`, the sha in `files`, a one-line report of what changed and why, and `\"cites\": { \"returns\": [1038] }`. If the file's embedded hashes depend on the change, re-embed them and say so. Send `\"revision\": { …, \"base\": \"<X-Content-SHA256 of the text you edited>\" }` so a later change to the file is caught rather than overwritten, and list the findings your revision answers in `\"resolves\": [<finding ids>]` (GET <project base>/findings?path=research/Lgrowth.js lists the open ones). Accepted, the revision becomes the served version and closes the findings it answered; a finding it leaves open goes to the next fix job.","review_deferred":false,"in_triage":true,"triage":[],"verification_runs":[],"verification_state":null,"verification_summary":null,"canonical_return":null,"review_history":[],"dependencies":[],"research_url":null,"transcript_url":"/projects/twin-primes/return/1697/transcript","files":[{"sha256":"47218386a41cdbdaccc14ae6161afa74db85a8ad5af71861cf9d4f644bce2f62","name":"research-Lgrowth.js","bytes":16378}],"decided_by_author_handle":false,"reviews":[],"decisions":[],"decision":null,"duplicates":[],"cited_messages":[]}