add engineering/0016/SESSION-0016.0-TRANSCRIPT-2026-06-10T20-34--2026-06-10T21-11.md + replace placeholder/variant SESSION-0016.0-TRANSCRIPT-2026-06-10T20-34--INPROGRESS.md
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# Session 0016.0 — Transcript
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> App: engineering
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> Start: 2026-06-10T20-34 (PST)
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> End: 2026-06-10T21-11 (PST)
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> Type: planning-and-executing
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> Claude-Session: bd35ac2f-4cc2-43e5-95e1-69ed72d8f71b
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> Status: **FINALIZED**
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## Launch prompt
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```
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Do the gitea VM service-account scope maintenance window (stop → set-service-account --scopes=cloud-platform → start, per infra/deploy-gitea-on-gcp.md Backups box) — unblocks gitea-forge-backups SLICE-1 (engineering#30).
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```
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## Plan
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> Anchor: design specs/gitea-forge-backups.md (engineering#30, graduated; D-3 / §13 Q1: operator approved the maintenance window)
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Execute the gitea VM service-account scope maintenance window — the SLICE-1
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unblock (spec §7.2 SLICE-1, risk R-1). Procedure is canonical in
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`infra/deploy-gitea-on-gcp.md` "Backups" box:
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1. Checkpoint-publish this transcript BEFORE the window (session-history lives
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on the VM being stopped).
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2. Pre-checks via `CLOUDSDK_ACTIVE_CONFIG_NAME=gitea` (§8.4): VM RUNNING,
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record current SA (`1061347810527-compute@developer.gserviceaccount.com`)
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+ scopes (`devstorage.read_only`).
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3. `gcloud compute instances stop gitea --zone=us-central1-a`
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4. `gcloud compute instances set-service-account gitea --zone=us-central1-a --scopes=cloud-platform`
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5. `gcloud compute instances start gitea --zone=us-central1-a`
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6. Verify: scopes = cloud-platform, same SA email, forge healthy
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(HTTPS git.wiggleverse.org + SSH :2222), on-VM ADC write-test to
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`gs://wiggleverse-gitea-backups` (proves the unblock; spec D-3).
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7. Update the runbook's PENDING box (DOC-2) → branch → PR → merge.
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Session ran isolated in worktree `gitea-vm-scope-window` (live concurrent
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SESSION-0009 in flight).
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## Pre-state
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- engineering `main` at `721538d`, clean, == `origin/main`; no open PRs.
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- SLICE-1 prep done (session 0011, PR #33): bucket `gs://wiggleverse-gitea-backups`
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(versioned, lifecycle), VM SA `objectCreator`, dedicated `gitea` gcloud config.
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- BLOCKER: VM scope `devstorage.read_only` → cannot upload via ADC. Tracked as
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issue #34 (P0, task).
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- Concurrent live session: SESSION-0009 (started 09:40, own worktree
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`engineering-session-0009`) → this session isolated per §5.4 / init Step 6b.
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## Turn-by-turn arc
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1. **Init.** Classified `/goal` prompt as planning-and-executing; claimed
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SESSION-0016 (atomic push, advisory 0016 held); anchor eligibility ELIGIBLE
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(R2a — graduated design `specs/gitea-forge-backups.md`); baseline clean;
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entered native worktree `gitea-vm-scope-window` (branch
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`worktree-gitea-vm-scope-window`).
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2. **Plan seeded + pre-window checkpoint** published to session-history
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(deliberately before stopping the VM that hosts it).
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3. **Auth detour (wrong turn, recovered).** The `gitea` gcloud config's CLI
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token had expired; interactive `gcloud auth login` impossible
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non-interactively. Tried alternate account — also expired. Asked operator to
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reauth; Stop-hook pushed for progress, so: started a background poller for
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CLI auth AND discovered ADC was still valid → ran the read-only pre-check
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via the Compute REST API (project explicit in URL; §8.4 satisfied, no config
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pointer touched). Pre-state recorded: RUNNING, default-SA, legacy scopes
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incl. `devstorage.read_only`. Operator's login then landed (poller exit 0).
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4. **The window** (documented CLI commands, `CLOUDSDK_ACTIVE_CONFIG_NAME=gitea`):
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`stop` (≈2 min) → `set-service-account --scopes=cloud-platform` → `start`
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(operator executed the start command directly, interrupting the agent's
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identical call). ~3 min forge downtime total.
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5. **Verification.** Post-state RUNNING, same SA, scopes = `cloud-platform`
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only. Forge: HTTPS 200 on https://git.wiggleverse.org/ within ~20 s; SSH
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:2222 `git ls-remote` OK. Metadata server on-VM confirms `cloud-platform`.
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6. **Write test (SLICE-1 proof).** `gsutil cp` from the VM **403s** — its
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destination-existence check needs `storage.objects.list`, which the
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create-only `objectCreator` IAM denies (misleading error; upload itself is
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allowed). Pure-create JSON-API `objects.insert` from the VM returned
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**HTTP 200** (`maintenance/scope-fix-write-test.txt`). Verified from laptop,
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then deleted with operator credentials (VM correctly cannot delete).
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7. **DOC-2.** Runbook `infra/deploy-gitea-on-gcp.md` updated: PENDING box →
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build-state record (scope raised 2026-06-10, session 0016); §1 OAuth warning
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and cert-rotation note brought current (Secret Manager self-fetch / Path A
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now possible); SLICE-2 note on the gsutil-vs-create-only-IAM gotcha.
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Commit `13807f2` → PR #41 → merged to `main` (`69051a2`).
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8. **Closeout.** Issue #34 commented with the outcome and closed. Memory
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(`project_gitea_forge_backups.md` + MEMORY.md index) updated: SLICE-1
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COMPLETE, next = SLICE-2. Operator asked whether SLICE-2 was also done —
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answered plainly: no, only unblocked.
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9. **Finalize.** Worktree torn down (branch merged; commit confirmed on
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`origin/main` before discard), canonical `main` fast-forwarded to `69051a2`,
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merged remote branch deleted, transcript finalized and published.
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## Cut state
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- **SLICE-1 of engineering#30: COMPLETE.** VM scope `cloud-platform`; bucket
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writable from the VM via ADC (proven); forge healthy; issue #34 closed;
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runbook current (PR #41 merged).
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- **No automated backups exist yet** — SLICE-2 (8-hour `gitea dump` + upload
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timer) is unblocked but unbuilt. The forge still has zero scheduled backups.
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- No plan artifact to archive (infra gesture; procedure was already canonical
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in the runbook — the `## Plan` block above is the session plan record).
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- Pipeline (§9) status: hand-provisioned bootstrap infra + docs PR — no
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deployable app stage applies; the scratch-Gitea restore drill (SLICE-4) is
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the designated PPE stand-in for this capability.
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## Deferred decisions
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- Deleted the write-test object from the bucket with operator laptop
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credentials rather than leaving it for the 30-day lifecycle — judged
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trivially safe (artifact created seconds earlier by this session), but it
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is technically an irreversible delete.
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## Operator plate
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- Nothing pending from this session. (SESSION-0009 remains in flight,
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unrelated — its own worktree and transcript.)
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## Next-session prompt
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```
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/goal Build gitea-forge-backups SLICE-2 — scheduled gitea dump every 8h on the VM uploading to gs://wiggleverse-gitea-backups (use a pure-create upload path, not gsutil cp), per specs/gitea-forge-backups.md §7.2 (engineering#30)
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```
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@@ -1,82 +0,0 @@
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# Session 0016.0 — Transcript
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> App: engineering
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> Start: 2026-06-10T20-34 (PST)
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> Type: planning-and-executing
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> Claude-Session: bd35ac2f-4cc2-43e5-95e1-69ed72d8f71b
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> Status: **PLACEHOLDER — claimed at session start; finalized at session end.**
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>
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> This file reserves session ID 0016 for engineering. The driver replaces this
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> body with the full transcript and renames the file to its final
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> SESSION-0016.0-TRANSCRIPT-2026-06-10T20-34--<end>.md form at session end.
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## Launch prompt
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```
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Do the gitea VM service-account scope maintenance window (stop → set-service-account --scopes=cloud-platform → start, per infra/deploy-gitea-on-gcp.md Backups box) — unblocks gitea-forge-backups SLICE-1 (engineering#30).
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```
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## Plan
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> Anchor: design specs/gitea-forge-backups.md (engineering#30, graduated; D-3 / §13 Q1: operator approved the maintenance window)
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Execute the gitea VM service-account scope maintenance window — the SLICE-1
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unblock (spec §7.2 SLICE-1, risk R-1). Procedure is canonical in
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`infra/deploy-gitea-on-gcp.md` "Backups" box:
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1. Checkpoint-publish this transcript BEFORE the window (session-history lives
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on the VM being stopped).
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2. Pre-checks via `CLOUDSDK_ACTIVE_CONFIG_NAME=gitea` (§8.4): VM RUNNING,
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record current SA (`1061347810527-compute@developer.gserviceaccount.com`)
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+ scopes (`devstorage.read_only`).
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3. `gcloud compute instances stop gitea --zone=us-central1-a`
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4. `gcloud compute instances set-service-account gitea --zone=us-central1-a --scopes=cloud-platform`
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5. `gcloud compute instances start gitea --zone=us-central1-a`
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6. Verify: scopes = cloud-platform, same SA email, forge healthy
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(HTTPS git.wiggleverse.org + SSH :2222), on-VM ADC write-test to
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`gs://wiggleverse-gitea-backups` (proves the unblock; spec D-3).
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7. Update the runbook's PENDING box (DOC-2) → branch → PR → merge.
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Session runs isolated in worktree `gitea-vm-scope-window` (live concurrent
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SESSION-0009 in flight).
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## Execution record (checkpoint, ~20:50 PST)
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The maintenance window ran and verified clean (spec §7.2 SLICE-1, D-3, §13 Q1):
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- **Pre-state** (Compute API): VM RUNNING, SA
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`1061347810527-compute@developer.gserviceaccount.com`, legacy default scopes
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incl. `devstorage.read_only`.
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- **Auth detour:** the `gitea` gcloud config's CLI token had expired
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(interactive reauth required). ADC was still valid, so the read-only
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pre-check ran via the Compute REST API (project explicit in URL — §8.4
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satisfied, no config pointer touched). Operator then ran
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`gcloud auth login`; the window itself used the documented CLI commands.
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- **Window:** `stop` → `set-service-account --scopes=cloud-platform` →
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`start` (operator executed the start command directly). ~3 min downtime.
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- **Post-state:** RUNNING, same SA, scopes = `cloud-platform` only.
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- **Forge health:** HTTPS 200 on https://git.wiggleverse.org/ within ~20 s of
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start; SSH :2222 `git ls-remote` OK.
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- **Write test (the SLICE-1 proof):** on-VM ADC upload to
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`gs://wiggleverse-gitea-backups/maintenance/scope-fix-write-test.txt` —
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`gsutil cp` 403s (its existence check needs `objects.list`, which
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create-only IAM denies — recorded in the runbook as a SLICE-2 note); pure
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JSON-API `objects.insert` returned HTTP 200. Test object verified then
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deleted from the laptop (operator creds; VM correctly cannot delete).
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- **DOC-2:** runbook `infra/deploy-gitea-on-gcp.md` updated (PENDING box →
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build-state record; §1 + cert-rotation notes brought current) — PR #41,
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merged to main.
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SLICE-1 is complete; SLICE-2 (scheduled dump + upload timer) is unblocked.
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## Deferred decisions
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- Deleted the write-test object from the bucket with operator laptop
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credentials rather than leaving it for the 30-day lifecycle — judged
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trivially safe (artifact created seconds earlier by this session), but it
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is technically an irreversible delete.
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_Autonomous-mode low-confidence calls the driver made and would have
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liked operator input on. Appended as the session runs; surfaced at
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finalize. Empty if none._
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