📚 Documentation: Which storage-system docs needed updating after Session 166....

Date: 2026-03-03
Time: 18:04:55 UTC
Session: gspace1-166.9
Agent: storage
Confidence: 95%
Status: ✅ Documented

📋 Decision Context

Question:

Which storage-system docs needed updating after Session 166.3 additions (BackendSyncEngine, syncToBackend, observability)?

Task: Session 166.3: Storage system documentation audit and update

🎯 Decision Made

Chosen:

Updated 6 docs, archived 4 docs. Updated: how-to-implement-storage.md (added BackendSyncEngine callout), api-reference.md (added BackendSyncEngine/syncToBackend/StorageObservabilityService APIs), common-mistakes.md (added anti-patterns #8 two-signal, #9 in-memory queue), cloud-sync-patterns.md (added BackendSyncEngine callout), index.mdc (added Backend Sync Engine section with link to overview.md). Archived: IMPLEMENTATION_REVIEW.md (outdated process artifact), firebase-database-creation-methods.md (Firebase never integrated into production).

Options Considered:

• No alternatives documented

💭 Reasoning

Read all 11 implementation docs end-to-end. All were from Nov 2025 (Session 11.25) and completely unaware of Session 166.3 additions. The key gap: no mention of BackendSyncEngine, syncToBackend(), two-signal pattern, or persistent retry queue anywhere. The anti-patterns table in common-mistakes.md was missing the two most critical patterns discovered in Session 129+166.3. Firebase docs created confusion since index.mdc already stated Firebase was never integrated. IMPLEMENTATION_REVIEW.md was stuck at 'In Progress' from 6 months ago.

📁 Files Involved

• docs/english/GoGrab-Space/docs.libs/docs.libs-foundational/storage-system/implementation/how-to-implement-storage.md
• docs/english/GoGrab-Space/docs.libs/docs.libs-foundational/storage-system/implementation/api-reference.md
• docs/english/GoGrab-Space/docs.libs/docs.libs-foundational/storage-system/implementation/common-mistakes.md
• docs/english/GoGrab-Space/docs.libs/docs.libs-foundational/storage-system/implementation/cloud-sync-patterns.md
• docs/english/GoGrab-Space/docs.libs/docs.libs-foundational/storage-system/implementation/index.mdc
• docs/english/GoGrab-Space/docs.libs/docs.libs-foundational/storage-system/implementation/IMPLEMENTATION_REVIEW.md
• docs/english/GoGrab-Space/docs.libs/docs.libs-foundational/storage-system/implementation/firebase-database-creation-methods.md

🔗 Related

• Decision ID: dev_1772561095092_l01uyak
• Session: 166
• Workspace: gspace1

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