docs(auth): retain Task 15 round four evidence

.artifacts/task-15/automated-gates.json

@@ -5,7 +5,8 @@
     "authentication_round1": "2b618c5a0f6f07045700cfe7146ca517fb5f78ab",
     "fix_round2": "fe190e7046acc173f510dddcb32f46ed142858c1",
     "maintenance_profile_follow_up": "4d230b87afdcd24f02264f8f937c8628b92db05a",
-    "fix_round3_and_final_docker": "e20bf33e2a00102192e5be66b178037aeca3a7b1"
+    "fix_round3_and_final_docker": "e20bf33e2a00102192e5be66b178037aeca3a7b1",
+    "fix_round4_streamed_archive_privacy": "54698e73400a54ce7c3e6c10099e14eb471ce8b9"
   },
   "versions": {
     "node_contract": "v24.16.0",
@@ -22,10 +23,10 @@
     },
     "unified_docker_smoke": {
       "status": "PASS",
-      "source_commit": "e20bf33e2a00102192e5be66b178037aeca3a7b1",
+      "source_commit": "54698e73400a54ce7c3e6c10099e14eb471ce8b9",
-      "run_id": "20260818054002-16619-2452",
+      "run_id": "20260818061612-31842-22636",
       "manifest": ".artifacts/task-15/unified-docker-images.json",
-      "manifest_sha256": "835790fbff5980c494c32f4473b46675ce7d568e7e6e39e30000ff0400b4dbb7",
+      "manifest_sha256": "d6845cb3436872ee6a722916f3aa2ad058c5fd66c61333ccad18c0302933361e",
       "images": 5,
       "cleanup": "PASS"
     }
@@ -37,7 +38,8 @@
     },
     "platform_private_restore_staging": {
       "status": "PASS",
-      "evidence": "unix_behavior_test_and_windows_static_cross_compile"
+      "source_commit": "54698e73400a54ce7c3e6c10099e14eb471ce8b9",
+      "evidence": "safeio_streamed_archive_unix_test_and_windows_static_cross_compile"
     },
     "provider_fixture": {
       "status": "PASS",
@@ -59,15 +61,19 @@
       "playwright": 8,
       "files": 2,
       "node": "v24.16.0",
-      "sentinel_leak_scan": "PASS"
+      "sentinel_leak_scan": "PASS",
+      "source_commit": "54698e73400a54ce7c3e6c10099e14eb471ce8b9"
     },
     "go_race_build": {
       "status": "PASS",
-      "packages": 18
+      "packages": 18,
+      "source_commit": "54698e73400a54ce7c3e6c10099e14eb471ce8b9"
     },
     "windows_cross_compile": {
       "status": "PASS",
-      "packages": 18
+      "packages": 18,
+      "execution": "cross_compile_only_not_native_execution",
+      "source_commit": "54698e73400a54ce7c3e6c10099e14eb471ce8b9"
     },
     "shell_and_compose_contracts": {
       "status": "PASS",
@@ -77,11 +83,13 @@
         "default_compose",
         "unified_compose",
         "compose_secret_policy"
-      ]
+      ],
+      "source_commit": "54698e73400a54ce7c3e6c10099e14eb471ce8b9"
     },
     "unified_docker_smoke": {
       "status": "PASS",
-      "run_id": "20260818054002-16619-2452",
+      "source_commit": "54698e73400a54ce7c3e6c10099e14eb471ce8b9",
+      "run_id": "20260818061612-31842-22636",
       "images": 5,
       "cleanup": "PASS"
     },

.artifacts/task-15/unified-docker-images.json

@@ -1,19 +1,9 @@
 {
   "gate": "unified-deployment-smoke",
   "status": "pass",
-  "source_commit": "e20bf33e2a00102192e5be66b178037aeca3a7b1",
+  "source_commit": "54698e73400a54ce7c3e6c10099e14eb471ce8b9",
-  "run_id": "20260818054002-16619-2452",
+  "run_id": "20260818061612-31842-22636",
   "images": [
-    {
-      "id": "sha256:2008d4ef3b7c37ff2504a5257a3e946650795c1dbd16706fd22792e5503cbfa6",
-      "roles": [
-        "compose-runtime",
-        "fixture-runtime"
-      ],
-      "repo_digests": [
-        "sha256:2008d4ef3b7c37ff2504a5257a3e946650795c1dbd16706fd22792e5503cbfa6"
-      ]
-    },
     {
       "id": "sha256:57f573b47f1f71ebb445789f279fe3e596a8beab182f7cf486db9205bad87c5a",
       "roles": [
@@ -33,12 +23,22 @@
       ]
     },
     {
-      "id": "sha256:98b79ea45d588a71ba2a5218e4b56365cb55dd00eead4a8fd5a4381b1bb0d79d",
+      "id": "sha256:9e59fd16740628538879652e9fb94472ef4f192418bfd5203fdf6a929df80532",
       "roles": [
         "compose-runtime"
       ],
       "repo_digests": [
-        "sha256:98b79ea45d588a71ba2a5218e4b56365cb55dd00eead4a8fd5a4381b1bb0d79d"
+        "sha256:9e59fd16740628538879652e9fb94472ef4f192418bfd5203fdf6a929df80532"
+      ]
+    },
+    {
+      "id": "sha256:b3441d8c9ce6c95fc28eb6df8db1eb83d522e72e2a9d2a0709edb99f53ef5ad5",
+      "roles": [
+        "compose-runtime",
+        "fixture-runtime"
+      ],
+      "repo_digests": [
+        "sha256:b3441d8c9ce6c95fc28eb6df8db1eb83d522e72e2a9d2a0709edb99f53ef5ad5"
       ]
     },
     {

.superpowers/sdd/2026-08-16-thothii-authentication/task-15-report.md

@@ -1,46 +1,63 @@
-# Task 15 retained release-gate report — fix round 3 (sanitized)
+# Task 15 retained release-gate report — fix round 4 (sanitized)
 
-- Final tested source commit: `e20bf33e2a00102192e5be66b178037aeca3a7b1`.
+- Final tested source commit: `54698e73400a54ce7c3e6c10099e14eb471ce8b9`.
-- Fix-round-2 commits retained unchanged: `fe190e7046acc173f510dddcb32f46ed142858c1`
+- Historical retained source commits: fix-round-2 `fe190e7046acc173f510dddcb32f46ed142858c1`,
-  and follow-up `4d230b87afdcd24f02264f8f937c8628b92db05a`.
+  maintenance follow-up `4d230b87afdcd24f02264f8f937c8628b92db05a`, and prior final Docker
+  source `e20bf33e2a00102192e5be66b178037aeca3a7b1`.
 - Versions: Node contract `v24.16.0`; host default Node `v25.6.1`; Go `go1.26.5`;
   Pi `0.80.3`.
 - Automated gate artifact: `.artifacts/task-15/automated-gates.json`;
-  SHA-256 `af835ab5eb37951881cc526a9576eb5789af510e0e4f2806d4d8ed080fb70fba`.
+  SHA-256 `cce61f6a51ea0a3312e26b7b38a2601512b3e45cd4177d37e60ed7d7ee5cf110`.
 - Docker image manifest: `.artifacts/task-15/unified-docker-images.json`;
-  SHA-256 `835790fbff5980c494c32f4473b46675ce7d568e7e6e39e30000ff0400b4dbb7`.
+  SHA-256 `d6845cb3436872ee6a722916f3aa2ad058c5fd66c61333ccad18c0302933361e`.
 
-## Fix-round-3 evidence
+## Fix-round-4 evidence
 
-- PASS: backup staging RED/GREEN focused set `4/4`; full backup package; full Go race and build
+- PASS: test-first safe-I/O stream creator. The focused test first failed because
-  across `18` packages. Staging now uses the repository `safeio` owner-only directory mechanisms,
+  `CreateCanonicalNewPrivateFile` was absent; after implementation, four native selected tests
-  rejects a symlinked installation ancestor on Unix, and includes a Windows-only owner-DACL test.
+  passed: the safe-I/O read/write stream, Unix staged-file privacy, post-write cleanup, and
-- PASS: Windows amd64 static test/build cross-compile across `18` packages. Native execution of
+  immutable staged bytes. The staged archive now enters through safeio with an exclusive private
-  the Windows-only ACL test was not available and is therefore PENDING, not PASS.
+  parent, `0600` Unix regular-file protection, and an owner-only DACL set in the Windows creation
-- PASS on Node `v24.16.0`: deterministic provider security fixture `6/6`; authentication smoke
+  call before archive bytes are streamed.
-  `8/8` across `frontend/e2e/auth.spec.ts` and authenticated `frontend/e2e/f1.spec.ts`. The
+- PASS: full backup and safe-I/O package tests and their race runs. The final source also passed
-  runtime sentinel was the exact fixture OIDC client secret and group bearer, and the retained
+  `go test -race ./...` across `18` packages and a native host `tht` CLI build.
-  output leak scan passed.
+- PASS: Windows amd64 static test/build cross-compile across `18` packages, including the staged
-- PASS: shell syntax, unified-smoke safety self-tests, default/unified Compose contracts, and
+  archive Windows test that calls `safeio.ValidatePrivateRegular`. This was **cross-compile only**;
-  Compose secret policy.
+  no Windows executable was run. Native execution remains PENDING.
-- PASS: final unified Docker deployment smoke run `20260818054002-16619-2452`, bound to source
+- PASS on Node `v24.16.0`: the hermetic OIDC/F1 authentication browser smoke passed for the
-  commit `e20bf33e2a00102192e5be66b178037aeca3a7b1`. It exercised the maintenance authentication
+  current `8` checks in `frontend/e2e/auth.spec.ts` and `frontend/e2e/f1.spec.ts`; its exact
-  isolation check, restore, registry lifecycle, bad-candidate rollback, image revalidation, and
+  runtime sentinel leak scan passed.
-  task-scoped cleanup.
+- PASS: shell syntax, unified-smoke safety self-test, default Compose contract, unified Compose
-- PASS: Docker image traceability for all `5` images exercised by the final unified run. The
+  contract, and Compose secret-policy contract.
-  authentication browser smoke exercised no Docker images and is explicitly retained as an empty
+- PASS: final unified Docker deployment smoke run `20260818061612-31842-22636`, bound to source
-  image set.
+  `54698e73400a54ce7c3e6c10099e14eb471ce8b9`. It exercised the maintenance-auth isolation check,
+  restore, registry lifecycle, bad-candidate rollback, image revalidation, and task-scoped cleanup.
+
+## Sanitized final unified Docker output
+
+```text
+== Build and start isolated local Compose distribution ==
+== Recreate offline and retain the validated registry snapshot ==
+== Pull a valid catalog+descriptor metadata update ==
+== Pull a content-only Git Evidence update ==
+== Reject catalog/descriptor metadata mismatch and retain the valid snapshot ==
+== Reject orphan descriptor directories not listed in the catalog ==
+== Reject the retired flat workspace layout and retain the valid snapshot ==
+== Inject a bad pinned Pi candidate and prove automatic rollback ==
+Task 13 full deployment smoke passed.
+Task 13 cleanup proof: no labeled containers, volumes, networks, or images remain for 20260818061612-31842-22636.
+```
 
 ## Sanitized Docker image identities
 
-- `sha256:2008d4ef3b7c37ff2504a5257a3e946650795c1dbd16706fd22792e5503cbfa6`;
-  roles `compose-runtime`, `fixture-runtime`.
 - `sha256:57f573b47f1f71ebb445789f279fe3e596a8beab182f7cf486db9205bad87c5a`;
   role `compose-runtime`.
 - `sha256:75eab8c4ba42096724fdcfde8b4de0b5713d529dde32f285a1f86fdcb2c9e50c`;
   role `compose-runtime`.
-- `sha256:98b79ea45d588a71ba2a5218e4b56365cb55dd00eead4a8fd5a4381b1bb0d79d`;
+- `sha256:9e59fd16740628538879652e9fb94472ef4f192418bfd5203fdf6a929df80532`;
   role `compose-runtime`.
+- `sha256:b3441d8c9ce6c95fc28eb6df8db1eb83d522e72e2a9d2a0709edb99f53ef5ad5`;
+  roles `compose-runtime`, `fixture-runtime`.
 - `sha256:c3cbe1cc1aa588a64951ac6286e0df7b27fe2e6324b1001c619bb358770c0178`;
   role `rollback-candidate`.
 
@@ -49,17 +66,17 @@ names and credentials are deliberately omitted.
 
 ## Complete observed matrix
 
-- PASS: Task13 lifecycle carry-ins; platform-private restore staging; provider fixture `6/6`;
+- PASS: Task 13 lifecycle carry-ins; streamed owner-private restore staging; provider fixture
-  backend Node24 round-1 suite `75 files / 1081 tests`; frontend Node24 round-1 suite
+  round-one `6/6`; backend Node 24 round-one suite `75 files / 1081 tests`; frontend Node 24
-  `61 files / 444 tests`; current authentication/F1 browser smoke `8/8`; Go race/build
+  round-one suite `61 files / 444 tests`; current Node 24 authentication/F1 browser smoke `8/8`;
-  `18 packages`; Windows static cross-compile `18 packages`; harness round-1 suite
+  final-source Go race/build `18 packages`; Windows static cross-compile `18 packages`; harness
-  `921 passed / 4 L2 deselected`; authentication docs round-1 gate; shell/Compose contracts;
+  round-one suite `921 passed / 4 L2 deselected`; authentication docs round-one gate; shell/Compose
-  unified Docker smoke; five-image traceability; Docker cleanup.
+  contracts; final unified Docker smoke; five-image traceability; and Docker cleanup.
 - FAIL: Ruff `192` known-baseline errors; MkDocs strict `69` known-baseline warnings; existing
   canonical/workspace install wording checks; existing Pi model-policy check; deployment-coupling
   scan against preserved ignored private material.
-- PENDING: native Windows execution because required host prerequisites are unavailable; L2
+- PENDING: native Windows execution because required host prerequisites are unavailable; L2 because
-  because the configured secret layout is unavailable; real PSD/manual acceptance because no real
+  the configured secret layout is unavailable; real PSD/manual acceptance because no real
   identity/access is available; isolated provider readiness because an unrelated host port is
   occupied.
 

PROJECT_STATE.md

@@ -7,7 +7,7 @@
 > ThothII per il repository (app + CLI `thothctl`), (3) come usare l'applicazione ThothII di base
 > (sessioni, domande, gate). Il documento userà parole semplici ed esempi; i dettagli tecnici
 > resteranno nei contratti esistenti. Esempio pratico completo: Policlinico San Donato.
-> Last updated: 2026-08-18 (Task 15 fix-round-3 evidence recorded; the authentication feature is
+> Last updated: 2026-08-18 (Task 15 fix-round-4 evidence recorded; the authentication feature is
 > not complete or release-accepted while the required FAIL/PENDING gates listed below remain).
 > Point a fresh session here ("read PROJECT_STATE.md") before substantial work.
 
@@ -16,28 +16,32 @@
 - Task 13 carry-ins are closed with focused TDD: restore acquires the lifecycle lock before
   target-dependent preflight; stages the immutable candidate and recovery archives under that lock;
   accounts their combined capacity before mutation; and uses an opaque installation-bound
-  transaction capability. Restore staging uses the repository `safeio` owner-only mechanisms on
+  transaction capability. Fix-round-4 makes `StageArchive` create its streamed, secret-bearing
-  Unix and Windows rather than POSIX-mode assumptions.
+  `archive.zip` through a narrow safeio read/write primitive: Unix keeps exact private regular-file
-- Final tested source is `e20bf33e2a00102192e5be66b178037aeca3a7b1`; fix-round-2 commits
+  behavior and Windows installs an owner-only DACL atomically before any archive bytes are written.
-  `fe190e7046acc173f510dddcb32f46ed142858c1` and follow-up
+- Final tested source is `54698e73400a54ce7c3e6c10099e14eb471ce8b9`; prior final Docker source
+  `e20bf33e2a00102192e5be66b178037aeca3a7b1`, fix-round-2
+  `fe190e7046acc173f510dddcb32f46ed142858c1`, and follow-up
   `4d230b87afdcd24f02264f8f937c8628b92db05a` remain intact in history. The final unified Docker
-  smoke is PASS for run `20260818054002-16619-2452`, including maintenance auth isolation,
+  smoke is PASS for run `20260818061612-31842-22636`, including maintenance auth isolation,
   restore, registry lifecycle, rollback, five-image revalidation, and task-scoped cleanup.
 - PASS on pinned Node `v24.16.0`: provider security fixture 6/6 and current authentication/F1
   Playwright smoke 8/8 with the runtime sentinel used as the exact fixture credential and absent
   from retained output. Round-1 full suites remain PASS: backend 75 files / 1081 tests, frontend
   61 files / 444 tests, harness 921 passed / 4 L2 deselected. The host default Node is `v25.6.1`;
   it is not the release contract and no tracked `v24.19.0` pin exists.
-- PASS: focused and full backup tests; full Go race/build across 18 packages; Windows amd64 static
+- PASS: focused native TDD (`safeio` stream, Unix archive privacy, post-write cleanup, immutable
-  test/build cross-compile across 18 packages; shell syntax and unified safety self-tests;
+  staged bytes); full backup/safeio tests; final-source Go race/build across 18 packages; Windows
-  default/unified Compose and secret-policy contracts; final unified Docker smoke and cleanup.
+  amd64 static test/build cross-compile across 18 packages; Node 24 authentication smoke; shell
-  Native execution of the Windows-only owner-DACL test was unavailable and remains PENDING.
+  syntax and unified safety self-tests; default/unified Compose and secret-policy contracts; final
+  unified Docker smoke and cleanup. Windows results are cross-compile only; native execution of the
+  Windows-only `ValidatePrivateRegular` staged-archive test was unavailable and remains PENDING.
 - Durable sanitized evidence is tracked at `.artifacts/task-15/automated-gates.json`
-  (`af835ab5eb37951881cc526a9576eb5789af510e0e4f2806d4d8ed080fb70fba`),
+  (`cce61f6a51ea0a3312e26b7b38a2601512b3e45cd4177d37e60ed7d7ee5cf110`),
   `.artifacts/task-15/unified-docker-images.json`
-  (`835790fbff5980c494c32f4473b46675ce7d568e7e6e39e30000ff0400b4dbb7`), and
+  (`d6845cb3436872ee6a722916f3aa2ad058c5fd66c61333ccad18c0302933361e`), and
   `.superpowers/sdd/2026-08-16-thothii-authentication/task-15-report.md`
-  (`ba4da7f5bfb445ffb0fcca4d0620786e001c4b892efae22b26cbb33b194c6a86`). Authentication smoke
+  (`628bdc6759c12c688d414825eef7b56881d96af1d91577dd9487959e90a9d0bf`). Authentication smoke
   exercised no Docker images; the final unified run retained all five exercised image identities.
 - FAIL baseline evidence remains unchanged: Ruff reports 192 errors; MkDocs strict reports 69
   warnings; canonical/workspace install checks have existing wording mismatches; Pi user-auth