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Pre-release
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mrhillsman
Melvin Hillsman
Vendors the published contract at contextwindowarchitecture/contextwindowarchitecture c252494.
[draft-release] - 2026-10-08
Features
- M0 walking skeleton of the CWA reference assembler (a3fb700)
- admission: Refuse and record schema-invalid items per item (c7fa430)
- admission: Authenticate producers against the route policy (e280d75)
- admission: Exclude every candidate whose id is ambiguous (9adc512)
- admission: Enforce one authority role per slot (c236425)
- admission: Admit tools only through the capability policy grant (13fb9db)
- admission: Keep untrusted content marked and out of governance (3f583dd)
- admission: Let only route policy raise a slot's tier (adb58ab)
- admission: Require distinct variant ids (619ec79)
- admission: Judge lifetime at full precision against assembly_time (992e403)
- admission: Exclude stale state and memory without a source turn (ff13505)
- admission: Keep items inside the request's scope (a33ae35)
- admission: Apply the route's threshold and age eligibility (73df5b9)
- defaults: Fill omitted policy fields from route overrides (6eddcca)
- trace: Exclusion rows name the candidate's slot (9d803b8)
- admission: Refuse assemblies missing a required slot (a15c908)
- fitting: Refuse when protected content alone exceeds the budget (500acde)
- fitting: Shed droppable items in the route's shedding order (b2cfdf3)
- fitting: Reduce compressible items, variants before omission (3cbe8ad)
- fitting: Run the route's fitting order before the default steps (0aa821d)
- fitting: Refuse when a route's required evidence does not survive (610b163)
- fitting: Enforce per-item token_budget caps before shedding (15089ef)
- snapshot: Reject conflict groups that disagree with the snapshot (401064c)
- conflicts: Resolve moot groups and instruction authority (3c27184)
- conflicts: Exclude deferring instruction peers (103be72)
- conflicts: Escalate unresolved instruction groups (2d6f83c)
- conflicts: Resolve fact groups by route precedence (f0c7f98)
- snapshot: Reject profiles that cannot carry their route (3b5bef2)
- admission: Exclude unplaced items and refuse unplaced protected ones (7de5fb7)
- render: Add the cwa-messages/v1 render IR (e318214)
- registry: Pin profiles and route policies by digest (e25dbe0)
- trace: Reject reasons the registry does not define (f40a4de)
- canonical: Order strings by UTF-16 code units (b7edd66)
- trace: Record each included item's eligibility (7572cd0)
- trace: Time assembly stages with a clock the caller lends (da0db52)
- conformance: Run the cases and commit a conformance report (dc580f6)
- fitting: Enforce the route's per-slot max_tokens caps (7817552)
- dedupe: Exclude exact duplicates in the slots a route asks (d412843)
- supersede: Keep only the latest observation of each call (1bc277d)
- diversity: Cap each source at the route's max_per_source (639ddc0)
- fitting: Hold slots at the route's min_tokens floors (f87b6fe)
- snapshot: Carry the near-duplicates retrievers report (394e495)
- trace: Name the specification the profile follows in every trace (ca8cdb2)
- tokenize: Count estimate-utf8/v1, UTF-8 bytes divided by 4 (d33e872)
- tokenize: Take caller tokenizers beside the built-in ones (20bdeaf)
- conformance: Report rejection cases and gate claims on them (fbe1def)
- render: Mark surfaced members inside system and tools text (5a725bd)
- render: Build cwa-message-blocks/v1, the optional renderer (a6d88ea)
Bug fixes
- snapshot: Keep the digest order-independent for duplicate ids (a9fde59)
- fitting: Size a body by its largest rendering (e5bb240)
- contract: Read the vendored schemas once, at import (3a604d9)
- snapshot: Treat only ECMAScript whitespace as blank (e18c2e4)
- snapshot: Parse only the portable timestamp profile (e72db1a)
- render: Reject wrap tags with a trailing newline (7e4b35d)
- snapshot: Reject strings with unpaired surrogates (9178fdd)
- snapshot: Import on Python 3.11, which rejects the scope default (7d0a14a)
- admission: Report a variant missing a field as invalid_structure (1459c83)
- canonical: Round integers beyond 2^53 as doubles (749a172)
- conformance: Leave recovery.detail out of the trace comparison (6bc4407)
- snapshot: Accept a caller tokenizer only under its own id (1cc120a)
- snapshot: Stop on a caller renderer under a published id (50ece03)
- snapshot: Accept a caller renderer only under its own id (5c76b41)
- conformance: Skip only for an optional tokenizer or renderer (be19a8d)
- snapshot: Stop, not reject, on a tokenizer or renderer it lacks (eed9e2b)
- conformance: Skip a rejection case only for its renderer's check (5d18c3c)
- contract: Vendor only the files the website's git tracks (0e4fd2d)
Refactoring
- admission: Share the effective slot tier with fitting (abc7587)
- render: Let each renderer declare the texts it counts (c1b2e34)
- canonical: Keep the portable string rules in one module (e3beefc)
- conformance: Share one trace comparison with the runner (0121aee)
- fitting: Expose the slot rank for reuse (f896afa)
- fitting: Drop an unused pytest import from the fitting tests (6c58856)
- Satisfy mypy across the package (1855d78)
- snapshot: Check caller tokenizers and renderers in one place (eeb83fa)
- render: Render each cwa-messages/v1 occurrence in one place (766f919)
Documentation
- Add AGENTS.md with TDD, commit, and architecture rules (fed290d)
- Name the origin remote and keep pushing with the maintainer (d3c4744)
- Describe M1 status, the status ledger, and pipefail gating (59f66fc)
- design: Record M1 status and where admission diverged (d39b8fb)
- design: Diagram admission precedence as built (fc36609)
- Require documentation updates in the same commit as behavior (50f0ea3)
- Hand off M2 plan and website commit permission (b67df06)
- Check diagrams against mermaid 12 (52b76cf)
- design: Hand off the M3 kickoff plan (756bcd9)
- conflicts: Claim R-3 and R-6 implemented, R-11 boundary-checked (1acee9e)
- design: Bring the design in line with M0-M3 as built (6ce4f24)
- Restore mutation checks from a copy, never from git (692eb4c)
- design: Plan M5 hardening and record decisions D-7 to D-10 (749c4f7)
- conformance: Claim R-21, R-22 and R-23 implemented (8783f6b)
- design: Close out M5 (aa0e1bc)
- contract: Say when a vendor commit may carry its fix (7748c23)
- design: Bring the header, layout note and plan legend up to M10 (f53c119)
- design: Plan the v1 release gates as M11 to M14 (cd76680)
- tokenize: Add an exact tiktoken adapter as an example (0c1d644)
- Generate the changelog from the commit history (f6d6900)
- design: Bring the header, layout, plan and test summary to M14 (cc05241)
- design: Cite the spec changelog instead of removed website docs (47ce2d5)
- design: Count R-24 to R-26 in the assembler's scope (6fa93b2)
- design: Record the second implementation and the release gates met (6ce7260)
- agents: Skip a rejection that stops for an optional renderer (bb3e0fa)
Tests
- conformance: Run every conformance case under the purity guard (6c44973)
- admission: Cover memory authority limits (8776a19)
- conformance: Add a requirement status ledger bound to scope and tests (e2c5f3f)
- fitting: Cover the tiers a route raises (d0f9514)
- conflicts: Pin conflict_policy to instruction peers (d3bb73a)
- conformance: Shuffle every case's input to prove order-independence (560c14f)
- conformance: Let the purity check fail on unimplemented cases (971bc2e)
- conformance: Let the order check run on pending cases (03b6a40)
- trace: Check every trace records the profile id and version (3a6ac02)
- snapshot: Replay stored snapshots in fresh processes (c8d85a7)
- snapshot: Lint the core for imports that reach outside (9378e2a)
- conflicts: Report an unresolved conflict before the budget (50e3770)
- conformance: Compare snapshot digests with the expected traces (f451b01)
- conformance: Reject claims while a tagged case fails (36e5202)
- fitting: Check fitting and determinism properties with hypothesis (136133c)
- Pin linear tokenizer calls and measure assemble() at scale (a0cd87e)
- fitting: Draw margins and estimate-utf8/v1 in generated snapshots (556785b)
- fitting: Check the charged fit test exactly at its boundary (ea57710)
- admission: Pin missing_field:slot for an item without a slot (afdd872)
- admission: Let an item lower its tier in a slot the route raised (c31e521)
- trace: Keep producer rows from an unauthenticated batch (50cfb20)
- canonical: Order rows sharing an id by their rfc 8785 bytes (d0129db)
- admission: Pin the capability grant's producer kind (7fed108)
- tokenize: Pin the published tokenizer ids to the vendored readme (20ccd3a)
Build
- Add repository and specification urls to project metadata (a544aa5)
- contract: Vendor website a211b2f (d346c12)
- contract: Vendor website 7239c57 (f3f180d)
- contract: Vendor website 9e40504 (fd1281a)
- contract: Vendor website d84bbd8 (2d7aba1)
- contract: Vendor website adae6e1 (49f8d8c)
- contract: Vendor website 72cfce5 (68882a7)
- contract: Vendor website 1986791 (49eb703)
- contract: Vendor website b303ca4 (a06cc38)
- contract: Vendor website c131acc (e160cd5)
- contract: Vendor website 3227b9a (a787bee)
- contract: Vendor website ac55a4a (8272137)
- contract: Vendor website 78a9d10 (934bef3)
- contract: Vendor website 4f465ca (fd177a4)
- contract: Vendor website b8fd56a (86da22c)
- contract: Vendor website 52c9c5d (441bfea)
- contract: Vendor website ce40ef5 (dcf2901)
- contract: Vendor website c9027ec (a9557de)
- contract: Vendor website d70e14b (4577d79)
- contract: Vendor website 0526686 (ecdc9da)
- contract: Vendor website d2e8bd6 (7297828)
- contract: Vendor website 13d4ff9 (eff9e04)
- contract: Vendor website 6ba14c0 (3fb48aa)
- contract: Vendor website a8530ee (03f7943)
- contract: Vendor website b91c156 (d524349)
- contract: Vendor website a3ad837 (f1aa759)
- contract: Vendor website a50f31f (064afda)
- contract: Vendor website ffcc379 (6a9d245)
- Ship py.typed and keep the package type-checked (d2daa0b)
- contract: Vendor website 31d4158 (f4dd842)
- contract: Vendor website fbb9a0c (47090a2)
- contract: Vendor website 84807a5 (a25c304)
- contract: Vendor website c3562e9 (f01440f)
- contract: Vendor website 591f7eb (aa2c277)
- contract: Vendor website 4f32396 (ca123a9)
- contract: Vendor website ec600d8 (06c5075)
- contract: Vendor website 4576fb5 (217bd9c)
- contract: Vendor website d38f218 (d5d467f)
- contract: Vendor website d229b74 (ce5d9ec)
- [breaking] Rename the distribution to contextwindowarchitecture-assembler (49b321e)
- contract: Vendor website b7b0d5c (03efb42)
- contract: Vendor website fc51bf8 (c017507)
- contract: Vendor website 9e24a29 (8d1f4cb)
- contract: Vendor website 79da314 (b84a8f5)
- contract: Vendor website e39255f (948c28b)
- contract: Vendor website 4549cf7 (83b5ae1)
- contract: Vendor website d6397de (f2eada2)
- contract: Vendor website d5ef9d6 (5ff7ee1)
- contract: Vendor website 408c888 (2085b6c)
- contract: Vendor website 7ef1276 (61b7b4e)
- contract: Vendor website b37f444 (6d6514f)
- contract: Vendor from the specification repository's checkout (44f387f)
- contract: Vendor spec 161ed75 (dfd4a4a)
- contract: Vendor spec 359bdab (2b1c3e4)
- contract: Vendor spec c252494 (31f8271)
Continuous integration
- Test every supported Python and check contract drift (6d5bd77)
- Release each tag on GitHub once ci passes on it (5fc89eb)