feat/sec-seam-media-a #2 / 2
aaronrene · 39 days ago · Aug 1, 2026 · Diff

freeze: SEC-SEAM-MEDIA-a hosted media proposal surface (pass)

Frozen SM-C1–C12: maybeApplyHostedMediaAfterApprove + matching S3.1 normalizeCanisterProposalForMediaPrecheck in the same change (S3.0). Freeze-review pass (sha256:f9c58fd3…). Governance sync NEXT → MEDIA-b Auto. No product code, no posture/env flip, P6 R4–R5 untouched. SD-17.

sha256:3ca29b792c275b6b49b644e42c442728ca783cf8d8c3a1cd1609321d3bb357a9 sha
+47 ~46 −3 symbols
sha256:4f04f8d32c67753f9654da9dce777b966b6b5728494a3a39ea2e6eab74c4b445 snapshot
+47
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~46
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−3
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0
dead code introduced
Semantic Changes 96 symbols
~ docs/SEC-SEAM-MEDIA-FREEZE.md .md 43 symbols added
+ SEC-SEAM-MEDIA — Hosted media proposal surface (Knowtation) section SEC-SEAM-MEDIA — Hosted media proposal surface (Knowtation) L1–543
+ Review record section Review record L83–109
+ Round 1 findings (cited — file+line) section Round 1 findings (cited — file+line) L92–100
+ table section table L94–99
+ Round 2 findings (cited — file+line) section Round 2 findings (cited — file+line) L100–109
+ table section table L102–106
+ table section table L85–91
+ Simple summary section Simple summary L109–121
+ Technical summary section Technical summary L121–137
+ code[yaml] variable variable code[yaml] L16–82
+ 0 — Scope and hard stops section §SM.0 — Scope and hard stops L137–178
+ Explicitly NOT in scope section Explicitly NOT in scope L154–168
+ table section table L156–167
+ Hard stops section Hard stops L168–178
+ In scope (SEC-SEAM-MEDIA-a freeze → SEC-SEAM-MEDIA-b Auto) section In scope (SEC-SEAM-MEDIA-a freeze → SEC-SEAM-MEDIA-b Auto) L139–154
+ table section table L141–153
+ 1 — Ground truth (verified 2026-08-01) section §SM.1 — Ground truth (verified 2026-08-01) L178–211
+ table section table L182–208
+ 2 — Frozen rules (WHAT) section §SM.2 — Frozen rules (WHAT) L211–467
+ 6) section SM-C1 — Gateway post-approve media hook (parity; S7.6) L213–236
+ table section table L219–224
+ SM-C10 — No posture / env flip; no P6 unpark section SM-C10 — No posture / env flip; no P6 unpark L430–438
+ SM-C11 — Fail-closed security properties section SM-C11 — Fail-closed security properties L438–451
+ table section table L440–450
+ SM-C12 — Citation readiness + hosted approve/apply ordering honesty section SM-C12 — Citation readiness + hosted approve/apply ordering honesty L451–467
+ 1 same-change seam condition (load-bearing) section SM-C2 — S3.0 / S3.1 same-change seam condition (load-bearing) L236–277
+ table section table L272–276
+ SM-C3 — Bridge propose + canister create helper section SM-C3 — Bridge propose + canister create helper L277–308
+ table section table L282–289
+ SM-C4 — Bridge apply-approved + shared precheck/apply section SM-C4 — Bridge apply-approved + shared precheck/apply L308–334
+ table section table L321–331
+ SM-C5 — Kind effects + hosted vault asymmetry section SM-C5 — Kind effects + hosted vault asymmetry L334–376
+ table section table L339–343
+ SM-C6 — Blob hydrate/persist for media stores section SM-C6 — Blob hydrate/persist for media stores L376–392
+ SM-C7 — Gateway proxies + attachment list/get exposure section SM-C7 — Gateway proxies + attachment list/get exposure L392–407
+ SM-C8 — Session-bound seam + T5 posture (no redesign) section SM-C8 — Session-bound seam + T5 posture (no redesign) L407–418
+ SM-C9 — PROPOSAL-LIFECYCLE honesty section SM-C9 — PROPOSAL-LIFECYCLE honesty L418–430
+ 3 — HOW (Auto implementation sketch) section §SM.3 — HOW (Auto implementation sketch) L467–494
+ 4 — Seven-tier test matrix (SEC-SEAM-MEDIA-b) section §SM.4 — Seven-tier test matrix (SEC-SEAM-MEDIA-b) L494–512
+ table section table L498–507
+ 5 — Definition of Done (SEC-SEAM-MEDIA-b) section §SM.5 — Definition of Done (SEC-SEAM-MEDIA-b) L512–524
+ 6 — Downstream paste (SEC-SEAM-MEDIA-b Auto) — after freeze-review pass section §SM.6 — Downstream paste (SEC-SEAM-MEDIA-b Auto) — after freeze-review pass L524–543
+ code[text] variable variable code[text] L526–543
~ docs/OVERSEER-HANDOVER.md .md 4 symbols added, 3 symbols removed, 41 symbols modified
~ table
NEXT SESSION — SEC-SEAM-MEDIA-a (hosted media proposal surface) section NEXT SESSION — SEC-SEAM-MEDIA-a (hosted media proposal surface) L21–421
THE ONE NEXT STEP — freeze SEC-SEAM-MEDIA-a — Model: Thinking section THE ONE NEXT STEP — freeze SEC-SEAM-MEDIA-a — Model: Thinking L36–51
code[text] variable variable code[text] L38–50
+ NEXT SESSION — SEC-SEAM-MEDIA-b (hosted media Auto build) section NEXT SESSION — SEC-SEAM-MEDIA-b (hosted media Auto build) L21–435
+ THE ONE NEXT STEP — build SEC-SEAM-MEDIA-b — Model: Auto section THE ONE NEXT STEP — build SEC-SEAM-MEDIA-b — Model: Auto L36–57
+ code[text] variable variable code[text] L38–56
+ This session — SEC-SEAM-MEDIA-a DONE (freeze pass, 2026-08-01) section This session — SEC-SEAM-MEDIA-a DONE (freeze pass, 2026-08-01) L103–111
~ table

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