docs(16-04): complete Batch UI GraphQL migration plan
- Created 16-04-SUMMARY.md with full execution details - Updated STATE.md: Phase 16 in progress (1/5 plans) - Recorded decisions: 5 normalizer nodes, 15s timeout - Updated progress: v1.4 now 30% complete (3/10 plans)
This commit is contained in:
Lucas Berger
+22
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@@ -3,9 +3,9 @@
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## Current Position
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- **Milestone:** v1.4 Unraid API Native
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- **Phase:** 15 of 18 (Infrastructure Foundation) - Complete (2/2 plans)
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- **Status:** Phase 15 complete, ready for Phase 16
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- **Last activity:** 2026-02-09 — Phase 15 complete (all infrastructure utility nodes ready)
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- **Phase:** 16 of 18 (API Migration) - In Progress (1/5 plans)
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- **Status:** Phase 16 in progress, 16-04 complete
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- **Last activity:** 2026-02-09 — Phase 16-04 complete (Batch UI migrated to GraphQL)
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## Project Reference
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@@ -22,16 +22,16 @@ v1.0: [**********] 100% SHIPPED (Phases 1-5, 12 plans)
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v1.1: [**********] 100% SHIPPED (Phases 6-9, 11 plans)
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v1.2: [**********] 100% SHIPPED (Phases 10-13 + 10.1-10.2, 25 plans)
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v1.3: [**********] 100% SHIPPED (Phase 14, 2 plans — descoped)
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v1.4: [**.........] 20% IN PROGRESS (Phases 15-18, 2 of ~10 plans)
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v1.4: [***........] 30% IN PROGRESS (Phases 15-18, 3 of 10 plans)
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Overall: 4 milestones shipped (14 phases, 50 plans), v1.4 in progress (Phase 15 complete: 2 plans)
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Overall: 4 milestones shipped (14 phases, 50 plans), v1.4 in progress (Phase 15 complete, Phase 16: 1/5 plans)
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```
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## Performance Metrics
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**Velocity:**
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- Total plans completed: 52
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- Total execution time: 12 days + 11 minutes (v1.0: 5 days, v1.1: 2 days, v1.2: 4 days, v1.3: 1 day, v1.4: 11 min)
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- Total plans completed: 53
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- Total execution time: 12 days + 13 minutes (v1.0: 5 days, v1.1: 2 days, v1.2: 4 days, v1.3: 1 day, v1.4: 13 min)
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- Average per milestone: 3 days
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**By Milestone:**
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@@ -42,7 +42,7 @@ Overall: 4 milestones shipped (14 phases, 50 plans), v1.4 in progress (Phase 15
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| v1.1 | 11 | 2 days | ~4 hours |
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| v1.2 | 25 | 4 days | ~4 hours |
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| v1.3 | 2 | 1 day | ~2 minutes |
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| v1.4 | 2 | 11 minutes | 5.5 minutes |
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| v1.4 | 3 | 13 minutes | 4.3 minutes |
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**Phase 15 Details:**
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@@ -51,6 +51,12 @@ Overall: 4 milestones shipped (14 phases, 50 plans), v1.4 in progress (Phase 15
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| 15-01 | 6 min | 2 | 1 |
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| 15-02 | 5 min | 2 | 1 |
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**Phase 16 Details:**
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| Plan | Duration | Tasks | Files |
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|------|----------|-------|-------|
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| 16-04 | 2 min | 1 | 1 |
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## Accumulated Context
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### Decisions
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@@ -68,6 +74,8 @@ Key decisions from v1.3 and v1.4 planning:
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- [Phase 15-02]: 15-second timeout for myunraid.net cloud relay (200-500ms latency + safety margin)
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- [Phase 15]: Token encoder uses 8-char hex (not base64) for deterministic collision avoidance via hash window offsets
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- [Phase 15]: Container ID Registry stores full PrefixedID (129-char) as-is for downstream consumers
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- [Phase 16-04]: 5 identical normalizer nodes per query path (n8n architectural constraint)
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- [Phase 16-04]: 15-second timeout for myunraid.net cloud relay (200-500ms latency + safety margin)
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### Pending Todos
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@@ -82,15 +90,15 @@ None.
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- myunraid.net cloud relay adds 200-500ms latency (timeout configuration needed)
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**Next phase readiness:**
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- Phase 15 complete (both plans) — All infrastructure utility nodes ready
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- Phase 16 (API Migration) ready to begin
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- Complete utility node suite: Container ID Registry, Token Encoder/Decoder, GraphQL Normalizer, Error Handler
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- Phase 16 in progress (1/5 plans complete)
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- Batch UI migration complete and validated
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- Remaining sub-workflows ready for migration (Status, Confirmation, Actions, Update, Matching)
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- No blockers
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## Key Artifacts
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- `n8n-workflow.json` -- Main workflow (175 nodes — includes 6 utility nodes from Phase 15)
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- `n8n-batch-ui.json` -- Batch UI sub-workflow (17 nodes) -- ID: `ZJhnGzJT26UUmW45`
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- `n8n-batch-ui.json` -- Batch UI sub-workflow (22 nodes, GraphQL migrated) -- ID: `ZJhnGzJT26UUmW45`
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- `n8n-status.json` -- Container Status sub-workflow (11 nodes) -- ID: `lqpg2CqesnKE2RJQ`
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- `n8n-confirmation.json` -- Confirmation Dialogs sub-workflow (16 nodes) -- ID: `fZ1hu8eiovkCk08G`
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- `n8n-update.json` -- Container Update sub-workflow (34 nodes) -- ID: `7AvTzLtKXM2hZTio92_mC`
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@@ -102,8 +110,8 @@ None.
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## Session Continuity
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Last session: 2026-02-09
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Stopped at: Phase 15 complete (15-01-PLAN.md and 15-02-PLAN.md done)
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Next step: Begin Phase 16 API Migration planning
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Stopped at: Completed 16-04-PLAN.md
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Next step: Continue Phase 16 API Migration (plans 01-03, 05 remaining)
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---
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*Auto-maintained by GSD workflow*
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@@ -0,0 +1,210 @@
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---
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phase: 16-api-migration
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plan: 04
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subsystem: n8n-batch-ui
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tags: [api-migration, graphql, batch-operations, normalizer]
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dependency_graph:
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requires:
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- phase: 15
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plan: 02
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artifact: "GraphQL Response Normalizer pattern"
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provides:
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- artifact: "n8n-batch-ui.json with Unraid GraphQL API"
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consumers: ["Main workflow Batch UI callers"]
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affects:
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- "Batch container selection flow"
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- "All 5 batch action paths (mode, toggle, exec, nav, clear)"
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tech_stack:
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added: []
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patterns:
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- "GraphQL API queries with normalizer transformation"
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- "5 identical normalizer nodes (one per query path)"
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- "Docker API contract compatibility layer"
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key_files:
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created: []
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modified:
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- path: "n8n-batch-ui.json"
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lines_changed: 354
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description: "Migrated all 5 container queries from Docker socket proxy to Unraid GraphQL API with normalizer nodes"
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decisions:
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- summary: "5 identical normalizer nodes instead of shared utility node"
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rationale: "n8n sub-workflows cannot share nodes across independent paths - each path needs its own node instance"
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alternatives: ["Single normalizer with complex routing (rejected: architectural constraint)"]
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- summary: "15-second timeout for GraphQL queries"
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rationale: "myunraid.net cloud relay adds 200-500ms latency, increased from 5s Docker socket proxy timeout for safety margin"
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alternatives: ["Keep 5s timeout (rejected: insufficient for cloud relay)", "30s timeout (rejected: too long for UI interaction)"]
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- summary: "Keep full PrefixedID in normalizer output"
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rationale: "Container ID Registry (Phase 15) handles translation downstream, normalizer preserves complete Unraid ID"
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alternatives: ["Truncate to 12-char in normalizer (rejected: breaks registry lookup)"]
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metrics:
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duration_minutes: 2
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completed_date: "2026-02-09"
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tasks_completed: 1
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files_modified: 1
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nodes_added: 5
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nodes_modified: 5
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connections_rewired: 15
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---
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# Phase 16 Plan 04: Batch UI GraphQL Migration Summary
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**One-liner:** Migrated n8n-batch-ui.json from Docker socket proxy to Unraid GraphQL API with 5 normalizer nodes preserving zero-change contract for downstream consumers
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## What Was Delivered
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### Core Implementation
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**n8n-batch-ui.json transformation (nodes: 17 → 22):**
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All 5 container listing queries migrated from Docker socket proxy to Unraid GraphQL API:
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1. **Fetch Containers For Mode** - Initial batch selection entry
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2. **Fetch Containers For Update** - After toggling container selection
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3. **Fetch Containers For Exec** - Before batch action execution
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4. **Fetch Containers For Nav** - Page navigation
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5. **Fetch Containers For Clear** - After clearing selection
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**For each query path:**
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```
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[upstream] → HTTP Request (GraphQL) → Normalizer (Code) → [existing downstream]
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```
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**HTTP Request nodes transformed:**
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- Method: `GET` → `POST`
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- URL: `http://docker-socket-proxy:2375/containers/json?all=true` → `={{ $env.UNRAID_HOST }}/graphql`
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- Query: `query { docker { containers { id names state image } } }`
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- Headers: `Content-Type: application/json`, `x-api-key: ={{ $env.UNRAID_API_KEY }}`
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- Timeout: 5000ms → 15000ms (cloud relay safety margin)
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- Error handling: `continueRegularOutput`
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**GraphQL Response Normalizer (5 identical nodes):**
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- Input: `{data: {docker: {containers: [{id, names, state, image}]}}}`
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- Output: `[{Id, Names, State, Status, Image, _unraidId}]` (Docker API contract)
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- State mapping: `RUNNING → running`, `STOPPED → exited`, `PAUSED → paused`
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- n8n multi-item output format: `[{json: container}, ...]`
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**Downstream Code nodes (UNCHANGED - verified):**
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- Build Batch Keyboard (bitmap encoding, pagination, keyboard building)
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- Handle Toggle (bitmap toggle logic)
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- Handle Exec (bitmap to names resolution, confirmation routing)
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- Rebuild Keyboard After Toggle (bitmap decoding, keyboard rebuild)
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- Rebuild Keyboard For Nav (page navigation, keyboard rebuild)
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- Rebuild Keyboard After Clear (reset to empty bitmap)
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- Handle Cancel (return to container list)
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All bitmap encoding, container sorting, pagination, and keyboard building logic preserved byte-for-byte.
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### Zero-Change Migration Pattern
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**Docker API contract fields preserved:**
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- `Id` - Full Unraid PrefixedID (Container ID Registry handles translation)
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- `Names` - Array with `/` prefix (e.g., `["/plex"]`)
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- `State` - Lowercase state (`running`, `exited`, `paused`)
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- `Status` - Same as State (Docker API convention)
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- `Image` - Empty string (not queried, not used by batch UI)
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**Why this works:**
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- All downstream Code nodes reference `Names[0]`, `State`, `Id.substring(0, 12)`
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- Normalizer ensures these fields exist in the exact format expected
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- Bitmap encoding uses array indices, not IDs (migration transparent)
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- Container sorting uses state and name (both preserved)
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## Deviations from Plan
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None - plan executed exactly as written.
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## Authentication Gates
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None encountered.
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## Testing & Verification
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**Automated verification (all passed):**
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1. ✓ Zero HTTP Request nodes contain "docker-socket-proxy"
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2. ✓ All 5 HTTP Request nodes use POST to `$env.UNRAID_HOST/graphql`
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3. ✓ 5 GraphQL Response Normalizer Code nodes exist (one per query path)
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4. ✓ All downstream Code nodes byte-for-byte identical to pre-migration
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5. ✓ Node count: 22 (17 original + 5 normalizers)
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6. ✓ All connection chains valid (15 connections verified)
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7. ✓ Pushed to n8n successfully (HTTP 200, workflow ID `ZJhnGzJT26UUmW45`)
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**Connection chain validation:**
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- Route Batch UI Action → Fetch Containers For Mode → Normalizer → Build Batch Keyboard ✓
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- Needs Keyboard Update? → Fetch Containers For Update → Normalizer → Rebuild Keyboard ✓
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- Route Batch UI Action → Fetch Containers For Exec → Normalizer → Handle Exec ✓
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- Handle Nav → Fetch Containers For Nav → Normalizer → Rebuild Keyboard For Nav ✓
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- Handle Clear → Fetch Containers For Clear → Normalizer → Rebuild Keyboard After Clear ✓
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**Manual testing required:**
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- Open Telegram bot, start batch selection (`/batch` command path)
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- Verify container list displays with correct names and states
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- Toggle container selection, verify checkmarks update correctly
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- Navigate between pages, verify pagination works
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- Execute batch start action, verify correct containers are started
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- Execute batch stop action, verify confirmation prompt appears
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- Clear selection, verify UI resets to empty state
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## Impact Assessment
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**User-facing changes:**
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- None - UI and behavior identical to pre-migration
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**System changes:**
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- Removed dependency on docker-socket-proxy for batch container listing
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- Added dependency on Unraid GraphQL API + myunraid.net cloud relay
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- Increased query timeout from 5s to 15s (cloud relay latency)
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- Added 5 normalizer nodes (increased workflow complexity slightly)
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**Performance impact:**
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- Query latency: +200-500ms (cloud relay overhead vs local Docker socket)
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- User-perceivable: Minimal (batch selection already async)
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- Timeout safety: 15s provides 30x safety margin over typical 500ms latency
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**Risk mitigation:**
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- GraphQL error handling: normalizer throws on errors → captured by n8n error handling
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- Invalid response structure: explicit validation with descriptive errors
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- State mapping: comprehensive (RUNNING, STOPPED, PAUSED) + fallback to lowercase
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## Known Limitations
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**Current state:**
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- Image field empty (not queried) - batch UI doesn't use it, no impact
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- No retry logic on GraphQL failures (relies on n8n default retry)
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- Cloud relay adds latency (200-500ms) - acceptable for batch operations
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**Future improvements:**
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- Could add retry logic with exponential backoff for cloud relay transient failures
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- Could query image field if future batch features need it
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- Could implement local caching if latency becomes problematic (unlikely for batch ops)
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## Next Steps
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**Immediate:**
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- Phase 16 Plan 05: Migrate remaining workflows (Container Status, Confirmation, etc.)
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**Follow-up:**
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- Manual testing of batch selection end-to-end
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- Monitor cloud relay latency in production
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- Consider removing docker-socket-proxy container once all migrations complete
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## Self-Check: PASSED
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**Files verified:**
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- ✓ FOUND: n8n-batch-ui.json (modified, 22 nodes)
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- ✓ FOUND: n8n-batch-ui.json pushed to n8n (HTTP 200)
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**Commits verified:**
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- ✓ FOUND: 73a01b6 (feat(16-04): migrate Batch UI to Unraid GraphQL API)
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**Claims verified:**
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- ✓ 5 GraphQL Response Normalizer nodes exist in workflow
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- ✓ All 5 HTTP Request nodes use GraphQL (verified in workflow JSON)
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- ✓ Zero docker-socket-proxy references (verified in workflow JSON)
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- ✓ Downstream Code nodes unchanged (verified byte-for-byte during transformation)
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All summary claims verified against actual implementation.
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