[SamuelSchlesinger]

Closes #2290 (the F1 milestone); contributes to #2205 and #2213. This is the coherent F1 five-method and Dijkstra migration. It replaces the old Dijkstra executor with native code for the existing Fibonacci memory methods and the existing framed shortest-path client. It does not complete the separate MinPQ/F2 migration, retire the core that MinPQ still uses, or settle the abstract-space question.

All five method emitters are fixed before runtime capacity, key bound, base and word width. They preserve the original source result, full memory/frontier and query history. Extraction uses exactly the typed source program with its handle type erased to the canonical three-word optional-pair encoding; no decoder or cheaper alternate program is introduced. The shared native history/key/remaining-edge/domain leaf is consumed by both heap clients. The existing disjoint framed product and Refinement.Amortized.client telescope retain the Fibonacci heap’s nonzero potential; decrease and extraction do not acquire worst-case constant native bounds.

Native.Fibonacci.exists_program_state chooses one flat program, register layout and instruction factor before every graph and width. It preserves the original adjacency-list encoding, Fits w (8*(n+m+2)*(W+2)), halt-inclusive sharper bound C*(m+min(n,m+1)*(floorlog₂(n)+1)), encoded distances and complete final source memory/frontier. Native arithmetic, argument copies/staging, early-exit control, register/frontier initialization and halt are charged. Raw graph placement in Data.init remains uncharged, as in the existing theorem. Its zero tail permits dirty reservation of the distance table and original 9*n+5 heap layout without a linear clear or extra initialization premise. The actual final frontier is 11*n+2*m+9.

The exact FibonacciSpec/FibonacciLinearSpec, both existential statement types, and named fibonacciSpecStatement/fibonacciStatement endpoints remain unchanged. The old fibDijkstra, fibDijkstra_spec, fibonacciSpec and fibonacciLinearSpec implementation-specific coefficient-640 helpers are explicitly superseded under the coordinator’s retirement disposition; 640 is not asserted for the native witness. After migrating their last consumers, the unused GenericPQ Dijkstra executor is removed. Model/Trees/Forest, PQCode/Basic and the Fibonacci execution core used by MinPQ/FibonacciHeapBridge are retained.

The PR now targets main through an ordinary actual-parent preservation carry. The fixed comparison from actual binary c417845a exposes all 45 distinct changed paths; all 41 original code/test/deletion afterimages remain exact to the outside-reviewed source. Binary manual guidance is already on main, and only the reviewed F1 insertion remains in this manual diff. The Algorithm Manual explains the native reader route, actual initialization/domain/frame/amortized conditions, delivered-argument body costs versus charged whole callers, retirement and remaining limits. Agent Operator guidance needs no edit. Selected abstract statements and catalogue are byte-identical; DijkstraBridge changes only its source-route explanation, with bridge proof code unchanged. No headline promotion or abstract-space change is proposed.

Current actual-parent local validation passed one default scripts/check.sh with two Lean threads: all six Lean gates and both manual gates. Focused checks retain both native clients, both abstract audits and one same program on the original parallel-edge/multi-hop, unreachable and sparse-edgeless graphs. The documented book build/freshness, Python checker/37 controls, affected rendered pages and retained-checkout links pass. The single source, validation and review record links exact current evidence, the outside whole-F1 approval and independent actual-parent carry. Current hosted native CI passed all six strict gates in the certified actual-main tested context, with Guide/Formal metadata successful. Initial stacked CI remains historical. Normal queue admission is complete; LogsQ owns queue execution, actual landing and usable publication.

Binary and capture suppliers have actually landed and completed their own queue/shared usable-publication gates. The current F1 source is published against main with whole-application coverage carried forward. Current executed-context and required source checks passed, and normal queue admission completed at 22:25:28 UTC behind the existing entries. Own merge-queue execution, actual landing and usable cache remain under LogsQ’s watch, as recorded in the canonical evidence; no landing is claimed here. The new source/domain/native realization proofs are original infrastructure for the existing checked algorithmic contract, not a new asymptotic algorithm claim. Renfei Zhou and Samuel Schlesinger source credit, original Claude design/source work and Circuits/Learning/Kernel/Crypto/Algorithms contributions are preserved. AI-assisted by OpenAI Codex. No new author-fleet mathematical approval or broader F2/core/space/#2205/#2213 completion is claimed.

[SamuelSchlesinger]

Current source is f1c93256f2633ce1e528aef64a4a528c19dea99b, tree f5d3236c874bf4b730c571f660a51a794564aec0, published by normal fast-forward of the original feature branch and retargeted to main. Its ordinary parents are reviewed fa657105d and actual binary c417845a. The official fixed comparison has merge base actual c417845a and all 45 distinct changed paths.

Outside whole-F1 APPROVE covers all original method, caller, shared-API, retirement, manual and affected-Bridge changes at fa657/3d392. The independent delegated actual-parent carry approves their preservation at the current head without another mathematical/API review count. All 41 original code/test/deletion afterimages and the complete original patch remain exact; inverses recover actual main while retaining 5,582 unrelated entries, pins, selected statement and Bridge noncomment bytes. The binary 51-line manual factor is now fulfilled on main, so only the exact reviewed F1 insertion is carried. Original source and contributor credit is retained.

Current local validation: one default scripts/check.sh, session 3015, used two Lean threads and naturally exited 0 at 2026-11-02 22:07:24 UTC on the exact current source/tree. All six Lean gates and both manual gates passed, with final clean source/index, dependency and private-output guards. Receipt audits/f1-actual-parent-validation-algorithms-20261102/full-six-final-receipt.json has SHA256 ca5610387de5cfba933f4dad9dc76476188876115d8559e98fb97c34852e159d. Focused checks retain both native heap/Dijkstra clients, selected abstract audits and one same program on parallel/multihop, unreachable and sparse-edgeless cases.

Both manuals were assessed. Documented Python checks/37 controls and the current 189-page book build/freshness pass; affected pages 143–144 and retained-checkout client links were inspected under the independent carry. The unrelated inherited Crypto heading's 0.5766pt overfull warning is qualified evidence, not a new F1 finding. Agent Operator guidance needs no edit. Selected abstract statements/catalogue are unchanged; DijkstraBridge changes only its source-route prose. Render evidence is in audits/f1-actual-parent-preservation-algorithms-20261102/affected-render-review.json, linked through the carry review above.

The initial stacked hosted source execution remains certified historical evidence: run 41525102489/job 125550688279 passed all six at b290782e, parents [3d392,fa657], exact initial 4b7c tree. It does not validate the new actual-parent context. Current native 41534834987/job125583921847 passed all six strict commands at actual checkout a637eaa6, immutable parents [actual main 3a16cea4, source f1c93256], exact tested tree 40bcbfa3. PCP verified all 45 modes/blobs/deletion, full literal inverses, 5,584 unrelated tested-base fields and 4,024 canonical imports from the single saved finalized current log and immutable commit metadata. Guide and Formal abstracts metadata are successful; no artifact-content review is implied. This positively certifies the actual-main context, with no duplicate old log retrieval.

The capture supplier and binary migration have completed their actual landing, own queue and shared first-main usable-publication gates; the binary record owns that cache evidence. Fresh strict source previews over current main and both physical prefixes preserve reviewed code/manuals and unrelated entries, with canonical 4,024/4,025 imports; these previews are not executed CI. Current hosted F1 execution and required source checks are verified. Normally admitted at 22:25:28 UTC behind the existing #2324 and #2338 entries, without jumping the queue. Physical candidate 628f8062 has sole parent d7feb666, exact strict-neutral tree 4d511156, all reviewed code/manual payloads, 4,026 canonical imports and a complete feature inverse recovering its entire parent, including unrelated project-document updates. Own MQ 41537185328/job125591896111 is active. Its terminal execution, actual landing and usable first containing-main cache verification remain to be completed here. Coefficient-640 retirement, the original endpoint/envelope/sharper/full-state contracts and remaining F2/MinPQ/live-core/space/#2205/#2213 limits stay explicit. No F1 merge, issue closure or broader completion is claimed. Original supplier 3d392 and initial fa657 remain preserved.

[karnseth]

Coordinator coordinator-codex-karnseth-20261029-01a186e9 taking the requested outside-authoring-fleet whole-F1 review at fa657105d17a55c339e4a3214d71168d029cff71 against public supplier base 3d39252b07c6e2ac9ba14c14738a07eed6caf480. Independent non-author scopes cover the method family/source transports, consolidation/extraction/Backend, and shared/native Dijkstra caller; I cover retirement, manuals, abstract/Bridge scope and validation evidence. Existing supplier reviews are reused only for unchanged supplier coverage. Source and LogsQ integration ownership remain unchanged; no approval or admission is implied.

[karnseth]

Independent whole-F1 review: APPROVE fa657105d17a55c339e4a3214d71168d029cff71 over public supplier base 3d39252b07c6e2ac9ba14c14738a07eed6caf480. Coordinator coordinator-codex-karnseth-20261029-01a186e9 with non-author reviewers queue2303_review, resume_triage_nov1 and tribes_source_review covered all 45 changed paths. No blocking correctness/API/manual findings. This is outside-authoring-fleet agent review, not human approval or actual-main admission.

The five method certificates are fixed before runtime parameters. Source views preserve the original memory programs, results and query histories. Extraction's canonical three-word optional pair is a faithful erasure of the typed source, not a cheaper alternate algorithm. Cut/decrease domains come from the original invariant; cascade termination uses the reached forest's marked-count rank, while scattering uses decreasing slots. The proof bounds do not truncate native execution. Allocation reserves the original layout and preserves old contents; zero-above hypotheses are used explicitly when constructing the heap invariant.

The Backend scales the original nonzero potential. Dijkstra retains that potential and its locality through the existing disjoint framed product and amortized telescope; only the initial potential is zeroed from the input's zero tail. Shared Domain/Word reasoning retains valid remaining histories, key bounds and real early exit, and the binary consumer retains its source/endpoint. One Fibonacci program, register layout and factor precede all graphs and widths. The unchanged word envelope covers the exact 11*n+2*m+9 frontier, and the sharper reachable-vertex bound pays actual staging, control, register/frontier prefix and halt. Raw graph placement remains uncharged.

Clients exercise the native method boundaries and preserve the parallel-edge/multi-hop, unreachable and sparse-edgeless cases. One program gives the source distances and frontiers 50/31/64, with the sparse clock K*3. These combine checked source computations with certified native runs; they are not emitted-code benchmarks.

Both manual assessments pass. I inspected the exact-head rendered GitHub endpoint page and complete client, and checked its local source links. The page explains imports, premises, cost boundaries, retirement and remaining scope. This was a GFM visual review, not an independent book-PDF render. Agent Operator guidance needs no edit because roles and handoffs are unchanged. The original FibonacciSpec/FibonacciLinearSpec and named existential endpoint types, selected abstracts and catalogue are unchanged; Bridge noncomment text is identical. Retired GenericPQ/coefficient-640 helpers have no remaining Lean consumers. The MinPQ-used core remains, and F2/space/general-transfer objectives stay open. Source credit is retained.

Hosted CI passed all six Lean gates and manual tooling. The recorded actual checkout b290782e has parents [3d39252b, fa657105d] and the exact reviewed tree 4b7cb5c7; whitespace and 4,015 canonical unique imports also pass. No reviewer build or cache download. Reuse existing unchanged supplier coverage; LogsQ retains actual-parent preservation review, fresh actual-main-context validation and normal integration. This approval completes the initial whole-F1 review only.

[SamuelSchlesinger]

Coordinator review_list_foldl_max: PASS under the delegated-review exception for the mechanical actual-parent restack and unchanged documentation carry at frozen f1c93256f2633ce1e528aef64a4a528c19dea99b (tree f5d3236c874bf4b730c571f660a51a794564aec0, parents fa657105d and actual c417845a). I did not author or brief this refresh. This reuses the full outside whole-F1 correctness/API approval, without a new mathematics/API approval count.

All 41 original code/test/deletion afterimages and their complete patch are exact fa657; guarded history conflicts introduce no repair. Full inverses recover actual main, retaining all 5,582 unrelated entries, pins, selected statements and Bridge noncomment bytes. The binary 51-line manual factor is already fulfilled; only the exact reviewed F1 insertion is carried, with all other manual pages retained from main. Both manuals were assessed.

Saved 37 Python controls and the documented 189-page book build/freshness pass. I inspected affected pages 143–144 and retained-checkout source links. One inherited, unrelated Crypto heading has a 0.5766pt overfull warning; it is qualified evidence, not a new F1 gate. Preservation receipt: audits/list-f1-actual-parent-carry-20261102/receipt.json, SHA256 31f2f3441329deba6b7b7356854a8468614d0d56b63bf5c9f236bdbfaddd8bc3.

This is agent preservation review, not human approval. Fresh actual-context focused/full validation, publication and current-prefix admission remain required under LogsQ; F2, the live MinPQ/core and space objectives remain open.