OK, I have a documment called Recommendation in /home/mdares/Documents. We implemented phase 1 and got stuck on phase 2. This is in theory a solid plan that will fix all of the different bugs that we have. I want you to be extra careful and take into consideration my recommednations ive highlighted within the file. Please take into consideration where I am running my node-red, I can see it perfectly right now at 127.0.0.1:1880. One of the lastest updates I had was adding switch nodes named DB guard. Verify they are there, if yes, continue with the implementation of the plan please


I'll help you implement phase 2 of your plan. Let me start by reading the Recommendation document to understand the complete plan and your specific concerns.


Bash

find /home/mdares -name "*.json" -path "*node-red*" -o -name "flows*.json" 2>/dev/null | head -20

Find Node-RED flow files


<tool_use_error>File does not exist. Did you mean Recommendation.txt?</tool_use_error>

Error: File does not exist. Did you mean Recommendation.txt?


/home/mdares/projects/Plastico/flows.json
/home/mdares/projects/Plastico/flows_cred.json
/home/mdares/.node-red/.config.users.json
/home/mdares/.node-red/.config.nodes.json
/home/mdares/.node-red/package.json
/home/mdares/.node-red/.config.runtime.json
/home/mdares/.node-red/flows.json
/home/mdares/.node-red/flows_cred.json
/home/mdares/.node-red/node_modules/base64id/package.json
/home/mdares/.node-red/node_modules/typical/package.json
/home/mdares/.node-red/node_modules/es-errors/tsconfig.json
/home/mdares/.node-red/node_modules/es-errors/package.json
/home/mdares/.node-red/node_modules/hasown/tsconfig.json
/home/mdares/.node-red/node_modules/hasown/package.json
/home/mdares/.node-red/node_modules/split-skip/package.json
/home/mdares/.node-red/node_modules/strip-ansi/package.json
/home/mdares/.node-red/node_modules/destroy/package.json
/home/mdares/.node-red/node_modules/inherits/package.json
/home/mdares/.node-red/node_modules/wmf/package.json
/home/mdares/.node-red/node_modules/call-bind-apply-helpers/tsconfig.json


     1→Phase 1: Database Schema Verification & Updates
     2→
     3→ Goal: Ensure work_orders table has all required columns
     4→
     5→ Step 1.1: Verify Database Schema
     6→
     7→ - Read current work_orders table structure from migration files
     8→ - Check if good_parts column exists (confirmed needed but may be missing)
     9→ - Verify cycle_count column exists (added in migration.sql)
    10→ - Check if progress_percent column exists
    11→
    12→ Step 1.2: Create Migration SQL (if needed)
    13→
    14→ - Add missing columns: good_parts INT DEFAULT 0
    15→ - Ensure indexes exist on work_order_id and status
    16→ - Create backup of work_orders table before schema changes
    17→
    18→ Files Modified:
    19→ - New file: migration_work_order_persistence.sql
    20→
    21→ Dependencies: None
    22→ Risk Level: LOW (schema changes with defaults won't break existing data)
    23→
    24→ ---
    25→ Phase 2: Add Cycle Persistence to work_orders Table
    26→
    27→ Goal: Write good_parts and cycle_count to database every 5 seconds (throttled)
    28→
    29→ Step 2.1: Add Fourth Output to Machine Cycles Function
    30→
    31→ - Modify modified_machine_cycles.js
    32→ - Add calculation for good_parts = (cycles × cavities) - scrap
    33→ - Create throttled DB update message (same 5s logic as session_state)
    34→ - Output on port 4: SQL UPDATE for work_orders table
    35→
    36→ Code Location: /home/mdares/.node-red/projects/Plastico/modified_machine_cycles.js lines 98-100
    37→
    38→ SQL Pattern:
    39→ UPDATE work_orders
    40→ SET cycle_count = ?,
    41→     good_parts = ?,
    42→     progress_percent = ?,
    43→     updated_at = NOW()
    44→ WHERE work_order_id = ?
    45→
    46→ Step 2.2: Wire Fourth Output to Database Node
    47→
    48→ - In flows.json, find "Machine cycles" function node
    49→ - Add wire from output[3] (4th port) to mariaDB node
    50→ - Ensure proper error handling
    51→
    52→ Files Modified:
    53→ - modified_machine_cycles.js
    54→ - flows.json (node wiring)
    55→
    56→ Dependencies: Phase 1 complete
    57→ Risk Level: LOW (only adds writes, doesn't change existing logic)
    58→
    59→My feedback: Machine cycles already has a 4th output that is connected to DB Guard, this is used for persistence of cycles and so that graphs doesn't autorefresh with each cycles. Please verify how this would affect this
    60→
    61→ ---
    62→ Phase 3: Implement Resume/Restart Prompt on Load
    63→
    64→ Goal: Prevent accidental progress loss when clicking Load
    65→
    66→ Step 3.1: Add Progress Check Before Load
    67→
    68→ - Modify modified_work_order_buttons.js case "start-work-order"
    69→ - Query work_orders table for existing cycle_count and good_parts
    70→ - If progress exists (cycle_count > 0 OR good_parts > 0), send prompt to UI
    71→ - Store work order data in temporary variable pending user choice
    72→
    73→ Code Location: modified_work_order_buttons.js lines 13-47
    74→
    75→ Step 3.2: Add Resume/Restart Action Handlers
    76→
    77→ - Create new action: resume-work-order
    78→   - Keep existing cycle_count and good_parts
    79→   - Create new session_id
    80→   - Set status to RUNNING
    81→   - Load current values into global state
    82→ - Create new action: restart-work-order
    83→   - Reset cycle_count and good_parts to 0 in database
    84→   - Create new session_id
    85→   - Set status to RUNNING
    86→   - Initialize global state to 0
    87→
    88→ Step 3.3: Add UI Prompt Component
    89→
    90→ - In Home template or Work Orders template, add hidden dialog
    91→ - Show when msg.topic === "resumePrompt"
    92→ - Display current progress: "WO-123 has 150/500 parts. Resume or Restart?"
    93→ - Two buttons: "Resume" (green) and "Restart" (orange with confirmation)
    94→
    95→ Files Modified:
    96→ - modified_work_order_buttons.js
    97→ - flows.json (Home or Work Orders template for dialog)
    98→
    99→ Dependencies: Phase 2 complete (ensures good_parts exists)
   100→ Risk Level: MEDIUM (changes core Load button behavior, needs thorough testing)
   101→
   102→ ---
   103→ Phase 4: Fix Complete Button to Persist Final Counts
   104→
   105→ Goal: Ensure final production numbers are written to work_orders before marking DONE
   106→
   107→ Step 4.1: Modify Complete Work Order Logic
   108→
   109→ - Before setting status to DONE, write current session state to work_orders
   110→ - Update SQL to:
   111→ UPDATE work_orders
   112→ SET status = 'DONE',
   113→     cycle_count = ?,
   114→     good_parts = ?,
   115→     progress_percent = 100,
   116→     updated_at = NOW()
   117→ WHERE work_order_id = ?
   118→
   119→ Code Location: modified_work_order_buttons.js lines 49-82
   120→
   121→ Files Modified:
   122→ - modified_work_order_buttons.js
   123→
   124→ Dependencies: Phase 2 complete
   125→ Risk Level: LOW (just ensures final sync before completion)
   126→
   127→ ---
   128→ Phase 5: Update Session Restore to Set RUNNING Status
   129→
   130→ Goal: When restoring session, automatically set work order back to RUNNING
   131→
   132→ Step 5.1: Modify Restore Session Logic
   133→
   134→ - In restore_session.js, after loading global state
   135→ - Add database update to set status back to RUNNING
   136→ - Only if work order exists and was previously RUNNING
   137→
   138→ SQL:
   139→ UPDATE work_orders
   140→ SET status = 'RUNNING',
   141→     updated_at = NOW()
   142→ WHERE work_order_id = ? AND status != 'DONE'
   143→
   144→ Code Location: restore_session.js (after global.set calls)
   145→
   146→ Files Modified:
   147→ - restore_session.js
   148→
   149→ Dependencies: None (independent improvement)
   150→ Risk Level: LOW (restores expected state)
   151→
   152→My Feedback: Make sure user still has to click start for it to start counting, should be running so doesn't have to load again, but user must confirm with start button
   153→
   154→ ---
   155→ Phase 6: Load Work Order Data from Database (Not Session)
   156→
   157→ Goal: Make work_orders table the source of truth for UI display
   158→
   159→ Step 6.1: Modify Work Order Load/Start to Query Database First
   160→
   161→ - When loading work order, query database for current cycle_count and good_parts
   162→ - Use these values to initialize global state (not assume zeros)
   163→ - For resume: global.set("cycleCount", dbRow.cycle_count)
   164→ - For restart: global.set("cycleCount", 0) + UPDATE database
   165→
   166→ Step 6.2: Update Home Template to Show DB Values
   167→
   168→ - When displaying active work order, prioritize msg.payload.good from database
   169→ - Ensure work_orders refresh query includes cycle_count and good_parts
   170→ - Update "Back to UI" function to send accurate database values
   171→
   172→ Code Locations:
   173→ - modified_work_order_buttons.js (load logic)
   174→ - flows.json (Home template $watch for workOrderCycle updates)
   175→
   176→ Files Modified:
   177→ - modified_work_order_buttons.js
   178→ - Potentially flows.json (Home template if needed)
   179→
   180→ Dependencies: Phase 2-4 complete
   181→ Risk Level: MEDIUM (changes data flow, requires testing of UI updates)
   182→
   183→My feedback: Be extra careful with this step, you are modifying existing logic. Make sure to check for potential side-effects, what can go wrong, what your modifications will do to existing nodes/wiring/logic
   184→
   185→ ---
   186→ Phase 7: Add Tab Switch State Refresh (Optional Enhancement)
   187→
   188→ Goal: Ensure UI shows latest data when returning to Home tab
   189→
   190→ Step 7.1: Add Tab Change Listener
   191→
   192→ - In Home template, listen for tab activation event
   193→ - On activation, query work_orders for active RUNNING order
   194→ - Update UI with fresh data from database
   195→
   196→ Code Location: flows.json Home template script section
   197→
   198→ Files Modified:
   199→ - flows.json (Home template)
   200→
   201→ Dependencies: Phase 6 complete
   202→ Risk Level: LOW (purely UI enhancement)
   203→
   204→ ---
   205→ Phase 8: Testing & Validation
   206→
   207→ Goal: Verify all scenarios work correctly
   208→
   209→ Test Cases:
   210→
   211→ 1. New Work Order Start:
   212→   - Load WO with 0 progress → should start normally (no prompt)
   213→ 2. Resume Existing Work Order:
   214→   - Load WO with 50/200 parts → prompt shows
   215→   - Click Resume → continues from 50
   216→   - Machine cycles → good_parts increments correctly
   217→ 3. Restart Existing Work Order:
   218→   - Load WO with 100/500 parts → prompt shows
   219→   - Click Restart → confirmation dialog
   220→   - After restart → cycle_count and good_parts reset to 0 in DB
   221→ 4. Tab Switch:
   222→   - Start production, switch to Graphs, switch back to Home
   223→   - Progress should still show correctly
   224→ 5. Node-RED Restart (with restore):
   225→   - Production running at 75/300 parts
   226→   - Restart Node-RED
   227→   - Click "Restore Session"
   228→   - Work order status → RUNNING
   229→   - Progress shows 75 parts
   230→   - Click Start → production continues
   231→ 6. Complete Work Order:
   232→   - Finish work order at 250/250 parts
   233→   - Click Done
   234→   - Database shows cycle_count and good_parts persisted
   235→   - Status = DONE
   236→ 7. Power Failure Simulation:
   237→   - Production at 150 parts
   238→   - Kill Node-RED process
   239→   - Restart
   240→   - Maximum 5 seconds of data loss (1-2 cycles depending on cycle time)
   241→
   242→ ---
   243→ Implementation Order Summary
   244→
   245→ 1. Phase 1 → Database schema (foundation)
   246→ 2. Phase 2 → Cycle persistence (core fix)
   247→ 3. Phase 4 → Complete button fix (complements Phase 2)
   248→ 4. Phase 5 → Session restore status (independent)
   249→ 5. Phase 3 → Resume/Restart prompt (depends on Phase 2 data)
   250→ 6. Phase 6 → Database as source of truth (depends on all above)
   251→ 7. Phase 7 → Tab switch refresh (optional polish)
   252→ 8. Phase 8 → Full testing
   253→
   254→ ---
   255→ Rollback Plan
   256→
   257→ If issues arise:
   258→ - Phase 1-2: Safe to rollback (schema defaults to 0, won't break)
   259→ - Phase 3-4: Can disable prompt by commenting out check, falls back to old behavior
   260→ - Phase 5-6: Revert files from git
   261→ - Database: Keep backups before each phase
   262→
   263→ ---
   264→ Key Files to Modify
   265→
   266→ | File                                 | Phases  | Risk   |
   267→ |--------------------------------------|---------|--------|
   268→ | migration_work_order_persistence.sql | 1       | LOW    |
   269→ | modified_machine_cycles.js           | 2       | LOW    |
   270→ | modified_work_order_buttons.js       | 2,3,4,6 | MEDIUM |
   271→ | restore_session.js                   | 5       | LOW    |
   272→ | flows.json                           | 2,3,7   | MEDIUM |
   273→
   274→ ---
   275→ Success Criteria
   276→
   277→ ✅ Work orders persist progress across Node-RED restarts
   278→ ✅ Resume/Restart prompt prevents accidental data loss
   279→ ✅ work_orders table always reflects current production state
   280→ ✅ Tab switches don't lose data
   281→ ✅ Multi-day work orders can be interrupted and resumed
   282→ ✅ Maximum 5 seconds of data loss on crash (acceptable for throttled writes)
   283→
   284→
   285→
   286→ Ready to proceed to Phase 2 when you give the go-ahead! Phase 2 will modify the machine cycles function to persist good_parts and cycle_count to the
   287→  work_orders table (using the existing 4th output that goes to DB Guard).
   288→
   289→> Go with phase 2
   290→  ⎿  ⧉ Selected 97 lines from projects/Plastico/migration_work_order_persistence.sql in Visual Studio Code
   291→
   292→● Perfect! Let me start Phase 2. First, I need to understand the current 4th output setup and how DB Guard works.
   293→
   294→● Search(pattern: ""name":\s*"DB Guard"", path: "projects/Plastico", glob: "flows.json", output_mode: "content")
   295→  ⎿  Found 0 lines
   296→
   297→● Search(pattern: "DB Guard|DBGuard|db-guard|db_guard", path: "projects/Plastico", glob: "flows.json", output_mode: "content")
   298→  ⎿  Found 6 lines (ctrl+o to expand)
   299→
   300→● Great! Now let me find the Machine Cycles function node and see how it's wired:
   301→
   302→● Search(pattern: ""name":\s*"Machine [Cc]ycles"", path: "projects/Plastico", glob: "flows.json", output_mode: "content")
   303→  ⎿  Found 41 lines (ctrl+o to expand)
   304→
   305→● Perfect! I can see the Machine Cycles function has 4 outputs:
   306→  - Output 1 (port 0): Scrap prompt
   307→  - Output 2 (port 1): Production state
   308→  - Output 3 (port 2): DB sync for session_state
   309→  - Output 4 (port 3): Goes to DB Guard (Cycles) - this is what we need to modify!
   310→
   311→  Now let me check what DB Guard (Cycles) does and what the 4th output currently sends:
   312→
   313→● Read(projects/Plastico/flows.json)
   314→  ⎿  Read 50 lines
   315→
   316→● Good! I can see output 4 currently just goes to a debug node. Now let me look at what the current modified_machine_cycles.js sends on output 4 (the
   317→  session-sync message):
   318→
   319→  Looking at modified_machine_cycles.js lines 98-100, it currently sends the session-sync message. Now I need to:
   320→
   321→  1. Add a 5th output for work_order persistence (to keep session-sync separate)
   322→  2. OR Modify the existing 4th output to send work_order updates instead of/in addition to session updates
   323→
   324→  Based on your feedback that "Machine cycles already has a 4th output connected to DB Guard for persistence of cycles", I'll create a 5th output for
   325→  work_order updates to keep the existing session persistence logic intact.
   326→
   327→  Let me modify the machine cycles function:
   328→
   329→● Update(projects/Plastico/modified_machine_cycles.js)
   330→
   331→● Update(projects/Plastico/modified_machine_cycles.js)
   332→
   333→● Update(projects/Plastico/modified_machine_cycles.js)

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

Phase 1: Database Schema Verification & Updates

 Goal: Ensure work_orders table has all required columns

 Step 1.1: Verify Database Schema

 - Read current work_orders table structure from migration files
 - Check if good_parts column exists (confirmed needed but may be missing)
 - Verify cycle_count column exists (added in migration.sql)
 - Check if progress_percent column exists

 Step 1.2: Create Migration SQL (if needed)

 - Add missing columns: good_parts INT DEFAULT 0
 - Ensure indexes exist on work_order_id and status
 - Create backup of work_orders table before schema changes

 Files Modified:
 - New file: migration_work_order_persistence.sql

 Dependencies: None
 Risk Level: LOW (schema changes with defaults won't break existing data)

 ---
 Phase 2: Add Cycle Persistence to work_orders Table

 Goal: Write good_parts and cycle_count to database every 5 seconds (throttled)

 Step 2.1: Add Fourth Output to Machine Cycles Function

 - Modify modified_machine_cycles.js
 - Add calculation for good_parts = (cycles × cavities) - scrap
 - Create throttled DB update message (same 5s logic as session_state)
 - Output on port 4: SQL UPDATE for work_orders table

 Code Location: /home/mdares/.node-red/projects/Plastico/modified_machine_cycles.js lines 98-100

 SQL Pattern:
 UPDATE work_orders
 SET cycle_count = ?,
     good_parts = ?,
     progress_percent = ?,
     updated_at = NOW()
 WHERE work_order_id = ?

 Step 2.2: Wire Fourth Output to Database Node

 - In flows.json, find "Machine cycles" function node
 - Add wire from output[3] (4th port) to mariaDB node
 - Ensure proper error handling

 Files Modified:
 - modified_machine_cycles.js
 - flows.json (node wiring)

 Dependencies: Phase 1 complete
 Risk Level: LOW (only adds writes, doesn't change existing logic)

My feedback: Machine cycles already has a 4th output that is connected to DB Guard, this is used for persistence of cycles and so that graphs doesn't autorefresh with each cycles. Please verify how this would affect this

 ---
 Phase 3: Implement Resume/Restart Prompt on Load

 Goal: Prevent accidental progress loss when clicking Load

 Step 3.1: Add Progress Check Before Load

 - Modify modified_work_order_buttons.js case "start-work-order"
 - Query work_orders table for existing cycle_count and good_parts
 - If progress exists (cycle_count > 0 OR good_parts > 0), send prompt to UI
 - Store work order data in temporary variable pending user choice

 Code Location: modified_work_order_buttons.js lines 13-47

 Step 3.2: Add Resume/Restart Action Handlers

 - Create new action: resume-work-order
   - Keep existing cycle_count and good_parts
   - Create new session_id
   - Set status to RUNNING
   - Load current values into global state
 - Create new action: restart-work-order
   - Reset cycle_count and good_parts to 0 in database
   - Create new session_id
   - Set status to RUNNING
   - Initialize global state to 0

 Step 3.3: Add UI Prompt Component

 - In Home template or Work Orders template, add hidden dialog
 - Show when msg.topic === "resumePrompt"
 - Display current progress: "WO-123 has 150/500 parts. Resume or Restart?"
 - Two buttons: "Resume" (green) and "Restart" (orange with confirmation)

 Files Modified:
 - modified_work_order_buttons.js
 - flows.json (Home or Work Orders template for dialog)

 Dependencies: Phase 2 complete (ensures good_parts exists)
 Risk Level: MEDIUM (changes core Load button behavior, needs thorough testing)

 ---
 Phase 4: Fix Complete Button to Persist Final Counts

 Goal: Ensure final production numbers are written to work_orders before marking DONE

 Step 4.1: Modify Complete Work Order Logic

 - Before setting status to DONE, write current session state to work_orders
 - Update SQL to:
 UPDATE work_orders
 SET status = 'DONE',
     cycle_count = ?,
     good_parts = ?,
     progress_percent = 100,
     updated_at = NOW()
 WHERE work_order_id = ?

 Code Location: modified_work_order_buttons.js lines 49-82

 Files Modified:
 - modified_work_order_buttons.js

 Dependencies: Phase 2 complete
 Risk Level: LOW (just ensures final sync before completion)

 ---
 Phase 5: Update Session Restore to Set RUNNING Status

 Goal: When restoring session, automatically set work order back to RUNNING

 Step 5.1: Modify Restore Session Logic

 - In restore_session.js, after loading global state
 - Add database update to set status back to RUNNING
 - Only if work order exists and was previously RUNNING

 SQL:
 UPDATE work_orders
 SET status = 'RUNNING',
     updated_at = NOW()
 WHERE work_order_id = ? AND status != 'DONE'

 Code Location: restore_session.js (after global.set calls)

 Files Modified:
 - restore_session.js

 Dependencies: None (independent improvement)
 Risk Level: LOW (restores expected state)

My Feedback: Make sure user still has to click start for it to start counting, should be running so doesn't have to load again, but user must confirm with start button

 ---
 Phase 6: Load Work Order Data from Database (Not Session)

 Goal: Make work_orders table the source of truth for UI display

 Step 6.1: Modify Work Order Load/Start to Query Database First

 - When loading work order, query database for current cycle_count and good_parts
 - Use these values to initialize global state (not assume zeros)
 - For resume: global.set("cycleCount", dbRow.cycle_count)
 - For restart: global.set("cycleCount", 0) + UPDATE database

 Step 6.2: Update Home Template to Show DB Values

 - When displaying active work order, prioritize msg.payload.good from database
 - Ensure work_orders refresh query includes cycle_count and good_parts
 - Update "Back to UI" function to send accurate database values

 Code Locations:
 - modified_work_order_buttons.js (load logic)
 - flows.json (Home template $watch for workOrderCycle updates)

 Files Modified:
 - modified_work_order_buttons.js
 - Potentially flows.json (Home template if needed)

 Dependencies: Phase 2-4 complete
 Risk Level: MEDIUM (changes data flow, requires testing of UI updates)

My feedback: Be extra careful with this step, you are modifying existing logic. Make sure to check for potential side-effects, what can go wrong, what your modifications will do to existing nodes/wiring/logic

 ---
 Phase 7: Add Tab Switch State Refresh (Optional Enhancement)

 Goal: Ensure UI shows latest data when returning to Home tab

 Step 7.1: Add Tab Change Listener

 - In Home template, listen for tab activation event
 - On activation, query work_orders for active RUNNING order
 - Update UI with fresh data from database

 Code Location: flows.json Home template script section

 Files Modified:
 - flows.json (Home template)

 Dependencies: Phase 6 complete
 Risk Level: LOW (purely UI enhancement)

 ---
 Phase 8: Testing & Validation

 Goal: Verify all scenarios work correctly

 Test Cases:

 1. New Work Order Start:
   - Load WO with 0 progress → should start normally (no prompt)
 2. Resume Existing Work Order:
   - Load WO with 50/200 parts → prompt shows
   - Click Resume → continues from 50
   - Machine cycles → good_parts increments correctly
 3. Restart Existing Work Order:
   - Load WO with 100/500 parts → prompt shows
   - Click Restart → confirmation dialog
   - After restart → cycle_count and good_parts reset to 0 in DB
 4. Tab Switch:
   - Start production, switch to Graphs, switch back to Home
   - Progress should still show correctly
 5. Node-RED Restart (with restore):
   - Production running at 75/300 parts
   - Restart Node-RED
   - Click "Restore Session"
   - Work order status → RUNNING
   - Progress shows 75 parts
   - Click Start → production continues
 6. Complete Work Order:
   - Finish work order at 250/250 parts
   - Click Done
   - Database shows cycle_count and good_parts persisted
   - Status = DONE
 7. Power Failure Simulation:
   - Production at 150 parts
   - Kill Node-RED process
   - Restart
   - Maximum 5 seconds of data loss (1-2 cycles depending on cycle time)

 ---
 Implementation Order Summary

 1. Phase 1 → Database schema (foundation)
 2. Phase 2 → Cycle persistence (core fix)
 3. Phase 4 → Complete button fix (complements Phase 2)
 4. Phase 5 → Session restore status (independent)
 5. Phase 3 → Resume/Restart prompt (depends on Phase 2 data)
 6. Phase 6 → Database as source of truth (depends on all above)
 7. Phase 7 → Tab switch refresh (optional polish)
 8. Phase 8 → Full testing

 ---
 Rollback Plan

 If issues arise:
 - Phase 1-2: Safe to rollback (schema defaults to 0, won't break)
 - Phase 3-4: Can disable prompt by commenting out check, falls back to old behavior
 - Phase 5-6: Revert files from git
 - Database: Keep backups before each phase

 ---
 Key Files to Modify

 | File                                 | Phases  | Risk   |
 |--------------------------------------|---------|--------|
 | migration_work_order_persistence.sql | 1       | LOW    |
 | modified_machine_cycles.js           | 2       | LOW    |
 | modified_work_order_buttons.js       | 2,3,4,6 | MEDIUM |
 | restore_session.js                   | 5       | LOW    |
 | flows.json                           | 2,3,7   | MEDIUM |

 ---
 Success Criteria

 ✅ Work orders persist progress across Node-RED restarts
 ✅ Resume/Restart prompt prevents accidental data loss
 ✅ work_orders table always reflects current production state
 ✅ Tab switches don't lose data
 ✅ Multi-day work orders can be interrupted and resumed
 ✅ Maximum 5 seconds of data loss on crash (acceptable for throttled writes)

 Ready to proceed to Phase 2 when you give the go-ahead! Phase 2 will modify the machine cycles function to persist good_parts and cycle_count to the
  work_orders table (using the existing 4th output that goes to DB Guard).

> Go with phase 2
  ⎿  ⧉ Selected 97 lines from projects/Plastico/migration_work_order_persistence.sql in Visual Studio Code

● Perfect! Let me start Phase 2. First, I need to understand the current 4th output setup and how DB Guard works.

● Search(pattern: ""name":\s*"DB Guard"", path: "projects/Plastico", glob: "flows.json", output_mode: "content")
  ⎿  Found 0 lines

● Search(pattern: "DB Guard|DBGuard|db-guard|db_guard", path: "projects/Plastico", glob: "flows.json", output_mode: "content")
  ⎿  Found 6 lines (ctrl+o to expand)

● Great! Now let me find the Machine Cycles function node and see how it's wired:

● Search(pattern: ""name":\s*"Machine [Cc]ycles"", path: "projects/Plastico", glob: "flows.json", output_mode: "content")
  ⎿  Found 41 lines (ctrl+o to expand)

● Perfect! I can see the Machine Cycles function has 4 outputs:
  - Output 1 (port 0): Scrap prompt
  - Output 2 (port 1): Production state
  - Output 3 (port 2): DB sync for session_state
  - Output 4 (port 3): Goes to DB Guard (Cycles) - this is what we need to modify!

  Now let me check what DB Guard (Cycles) does and what the 4th output currently sends:

● Read(projects/Plastico/flows.json)
  ⎿  Read 50 lines

● Good! I can see output 4 currently just goes to a debug node. Now let me look at what the current modified_machine_cycles.js sends on output 4 (the
  session-sync message):

  Looking at modified_machine_cycles.js lines 98-100, it currently sends the session-sync message. Now I need to:

  1. Add a 5th output for work_order persistence (to keep session-sync separate)
  2. OR Modify the existing 4th output to send work_order updates instead of/in addition to session updates

  Based on your feedback that "Machine cycles already has a 4th output connected to DB Guard for persistence of cycles", I'll create a 5th output for
  work_order updates to keep the existing session persistence logic intact.

  Let me modify the machine cycles function:

● Update(projects/Plastico/modified_machine_cycles.js)

● Update(projects/Plastico/modified_machine_cycles.js)

● Update(projects/Plastico/modified_machine_cycles.js)


Error: File content (74927 tokens) exceeds maximum allowed tokens (25000). Please use offset and limit parameters to read specific portions of the file, or use the GrepTool to search for specific content.


I can see the complete plan! Let me first verify the DB Guard switch nodes exist, then carefully implement Phase 2. Let me search for the DB Guard nodes and understand the current setup.


grep -n "DB Guard" /home/mdares/.node-red/flows.json | head -20

Find DB Guard nodes in flows


<tool_use_error>File does not exist.</tool_use_error>


1663:        "name": "DB Guard (Graphs)",
1688:        "name": "DB Guard (Cycles)",


Good! I found the DB Guard nodes. Now let me find the correct path for the machine cycles file and create a todo list for this implementation.


find /home/mdares -name "*machine*cycles*.js" -type f 2>/dev/null

Find machine cycles JavaScript file


TodoWrite

Verify DB Guard switch nodes exist in flows.json

Read and understand current modified_machine_cycles.js implementation

Understand current 4th output to DB Guard (Cycles) connection

Add work_order persistence SQL to 4th output (cycles, good_parts, progress_percent)

Adding work_order persistence to 4th output

Verify wiring from Machine Cycles output 4 to DB Guard (Cycles) to MariaDB

Test that Phase 2 implementation works correctly


Todos have been modified successfully. Ensure that you continue to use the todo list to track your progress. Please proceed with the current tasks if applicable

Verify DB Guard switch nodes exist in flows.json

Read and understand current modified_machine_cycles.js implementation

Understand current 4th output to DB Guard (Cycles) connection

Add work_order persistence SQL to 4th output (cycles, good_parts, progress_percent)

Adding work_order persistence to 4th output

Verify wiring from Machine Cycles output 4 to DB Guard (Cycles) to MariaDB

Test that Phase 2 implementation works correctly


Let me search more broadly for the machine cycles file:


Bash

find /home/mdares -name "*.js" -type f -exec grep -l "Machine cycles" {} \; 2>/dev/null | grep -v node_modules | head -10

Find files containing Machine cycles


/home/mdares/.node-red/flows.json-1170-            [
/home/mdares/.node-red/flows.json-1171-                "f2bab26e27e2023d"
/home/mdares/.node-red/flows.json-1172-            ]
/home/mdares/.node-red/flows.json-1173-        ]
/home/mdares/.node-red/flows.json-1174-    },
/home/mdares/.node-red/flows.json-1175-    {
/home/mdares/.node-red/flows.json-1176-        "id": "0d023d87a13bf56f",
/home/mdares/.node-red/flows.json-1177-        "type": "function",
/home/mdares/.node-red/flows.json-1178-        "z": "cac3a4383120cb57",
/home/mdares/.node-red/flows.json-1179-        "g": "16bb591480852f51",
/home/mdares/.node-red/flows.json:1180:        "name": "Machine cycles",
/home/mdares/.node-red/flows.json-1181-[Omitted long context line]
/home/mdares/.node-red/flows.json-1182-        "outputs": 4,
/home/mdares/.node-red/flows.json-1183-        "timeout": 0,
/home/mdares/.node-red/flows.json-1184-        "noerr": 0,
/home/mdares/.node-red/flows.json-1185-        "initialize": "",
/home/mdares/.node-red/flows.json-1186-        "finalize": "",
/home/mdares/.node-red/flows.json-1187-        "libs": [],
/home/mdares/.node-red/flows.json-1188-        "x": 640,
/home/mdares/.node-red/flows.json-1189-        "y": 400,
/home/mdares/.node-red/flows.json-1190-        "wires": [
--
/home/mdares/.node-red/flows.json-1733-        "statusVal": "",
/home/mdares/.node-red/flows.json-1734-        "statusType": "auto",
/home/mdares/.node-red/flows.json-1735-        "x": 1100,
/home/mdares/.node-red/flows.json-1736-        "y": 1020,
/home/mdares/.node-red/flows.json-1737-        "wires": []
/home/mdares/.node-red/flows.json-1738-    },
/home/mdares/.node-red/flows.json-1739-    {
/home/mdares/.node-red/flows.json-1740-        "id": "68747d170d530562",
/home/mdares/.node-red/flows.json-1741-        "type": "debug",
/home/mdares/.node-red/flows.json-1742-        "z": "cac3a4383120cb57",
/home/mdares/.node-red/flows.json:1743:        "name": "Machine cycles output 1",
/home/mdares/.node-red/flows.json-1744-        "active": true,
/home/mdares/.node-red/flows.json-1745-        "tosidebar": true,
/home/mdares/.node-red/flows.json-1746-        "console": false,
/home/mdares/.node-red/flows.json-1747-        "tostatus": false,
/home/mdares/.node-red/flows.json-1748-        "complete": "true",
/home/mdares/.node-red/flows.json-1749-        "targetType": "full",
/home/mdares/.node-red/flows.json-1750-        "statusVal": "",
/home/mdares/.node-red/flows.json-1751-        "statusType": "auto",
/home/mdares/.node-red/flows.json-1752-        "x": 1090,
/home/mdares/.node-red/flows.json-1753-        "y": 900,
--
/home/mdares/.node-red/flows.json-1784-        "statusVal": "",
/home/mdares/.node-red/flows.json-1785-        "statusType": "auto",
/home/mdares/.node-red/flows.json-1786-        "x": 1500,
/home/mdares/.node-red/flows.json-1787-        "y": 980,
/home/mdares/.node-red/flows.json-1788-        "wires": []
/home/mdares/.node-red/flows.json-1789-    },
/home/mdares/.node-red/flows.json-1790-    {
/home/mdares/.node-red/flows.json-1791-        "id": "b03da2270d8def93",
/home/mdares/.node-red/flows.json-1792-        "type": "debug",
/home/mdares/.node-red/flows.json-1793-        "z": "cac3a4383120cb57",
/home/mdares/.node-red/flows.json:1794:        "name": "Machine cycles output 3",
/home/mdares/.node-red/flows.json-1795-        "active": true,
/home/mdares/.node-red/flows.json-1796-        "tosidebar": true,
/home/mdares/.node-red/flows.json-1797-        "console": false,
/home/mdares/.node-red/flows.json-1798-        "tostatus": false,
/home/mdares/.node-red/flows.json-1799-        "complete": "true",
/home/mdares/.node-red/flows.json-1800-        "targetType": "full",
/home/mdares/.node-red/flows.json-1801-        "statusVal": "",
/home/mdares/.node-red/flows.json-1802-        "statusType": "auto",
/home/mdares/.node-red/flows.json-1803-        "x": 1090,
/home/mdares/.node-red/flows.json-1804-        "y": 980,


Good! The Machine cycles function is embedded in the flows.json at line 1180. Let me read that section to see the current code:


  1175→    {
  1176→        "id": "0d023d87a13bf56f",
  1177→        "type": "function",
  1178→        "z": "cac3a4383120cb57",
  1179→        "g": "16bb591480852f51",
  1180→        "name": "Machine cycles",
  1181→        "func": "const current = Number(msg.payload) || 0;\n\nlet zeroStreak = flow.get(\"zeroStreak\") || 0;\nzeroStreak = current === 0 ? zeroStreak + 1 : 0;\nflow.set(\"zeroStreak\", zeroStreak);\n\nconst prev = flow.get(\"lastMachineState\") ?? 0;\nflow.set(\"lastMachineState\", current);\n\nglobal.set(\"machineOnline\", true);\n\nlet productionRunning = !!global.get(\"productionStarted\");\nlet stateChanged = false;\n\nif (current === 1 && !productionRunning) {\n    productionRunning = true;\n    stateChanged = true;\n} else if (current === 0 && zeroStreak >= 2 && productionRunning) {\n    productionRunning = false;\n    stateChanged = true;\n}\n\nglobal.set(\"productionStarted\", productionRunning);\n\nconst stateMsg = stateChanged\n    ? {\n        _mode: \"production-state\",\n        machineOnline: true,\n        productionStarted: productionRunning\n    }\n    : null;\n\nconst activeOrder = global.get(\"activeWorkOrder\");\n// FIX: moldActive is object, extract cavities property\nconst cavities = Number(global.get(\"moldActive\")) || 1;\nif (!activeOrder || !activeOrder.id || cavities <= 0) {\n    return [null, stateMsg, { _triggerKPI: true }, null];\n}\n\nvar trackingEnabled = !!global.get(\"trackingEnabled\");\nif (!trackingEnabled) {\n    return [null, stateMsg, { _triggerKPI: true }, null];\n}\n\nif (prev === 1 || current !== 1) {\n    return [null, stateMsg, { _triggerKPI: true }, null];\n}\n\nlet cycles = Number(global.get(\"cycleCount\") || 0) + 1;\nglobal.set(\"cycleCount\", cycles);\n\n// Clear startup mode after first real cycle\nif (global.get(\"kpiStartupMode\")) {\n    global.set(\"kpiStartupMode\", false);\n    node.warn('[MACHINE CYCLE] First cycle - cleared kpiStartupMode');\n}\n\nconst now = Date.now();\nconst lastCycleTime = global.get(\"lastCycleTime\") || now;\nconst timeSinceLastCycle = now - lastCycleTime;\n\nlet operatingTime = global.get(\"operatingTime\") || 0;\noperatingTime += (timeSinceLastCycle / 1000);\n\nglobal.set(\"operatingTime\", operatingTime);\nnode.warn(`[MACHINE CYCLE] operatingTime updated to ${operatingTime}`);\nglobal.set(\"lastCycleTime\", now);\n\nconst scrapTotal = Number(activeOrder.scrap) || 0;\nconst totalProduced = cycles * cavities;\n// FIX: Guard negative produced\nconst produced = Math.max(0, totalProduced - scrapTotal);\nconst target = Number(activeOrder.target) || 0;\nconst progress = target > 0 ? Math.min(100, Math.round((produced / target) * 100)) : 0;\n\nactiveOrder.good = produced;\nactiveOrder.progressPercent = progress;\nactiveOrder.lastUpdateIso = new Date().toISOString();\nglobal.set(\"activeWorkOrder\", activeOrder);\n\nconst promptIssued = global.get(\"scrapPromptIssuedFor\") || null;\nif (!promptIssued && target > 0 && produced >= target) {\n    global.set(\"scrapPromptIssuedFor\", activeOrder.id);\n    msg._mode = \"scrap-prompt\";\n    msg.scrapPrompt = {\n        id: activeOrder.id,\n        sku: activeOrder.sku || \"\",\n        target,\n        produced\n    };\n    return [null, msg, null, null];\n}\n\nconst dbMsg = {\n    _mode: \"cycle\",\n    cycle: {\n        id: activeOrder.id,\n        sku: activeOrder.sku || \"\",\n        target,\n        good: produced,\n        scrap: Number(activeOrder.scrap) || 0,\n        cycleTime: Number(activeOrder.cycleTime || activeOrder.theoreticalCycleTime || 0),\n        progressPercent: progress,\n        lastUpdateIso: activeOrder.lastUpdateIso,\n        machineOnline: true,\n        productionStarted: productionRunning\n    },\n    // SQL with bound parameters for safety\n    topic: \"UPDATE work_orders SET good_parts = ?, progress_percent = ?, updated_at = NOW() WHERE work_order_id = ?\",\n    payload: [produced, progress, activeOrder.id]\n};\n\nconst kpiTrigger = { _triggerKPI: true };\n\nif (trackingEnabled && dbMsg) {\n    global.set(\"lastMachineCycleTime\", Date.now());\n}\n\n// 4th output: persist cycle_count (msg.payload for MariaDB)\nconst persistCycleCount = {\n    topic: \"UPDATE work_orders SET cycle_count = ?, good_parts = ? WHERE work_order_id = ?\",\n    payload: [cycles, produced, activeOrder.id]\n};\n\nreturn [dbMsg, stateMsg, kpiTrigger, persistCycleCount];",
  1182→        "outputs": 4,
  1183→        "timeout": 0,
  1184→        "noerr": 0,
  1185→        "initialize": "",
  1186→        "finalize": "",
  1187→        "libs": [],
  1188→        "x": 640,
  1189→        "y": 400,
  1190→        "wires": [
  1191→            [
  1192→                "dbc7a5ee041845ed",
  1193→                "68747d170d530562"
  1194→            ],
  1195→            [
  1196→                "00b6132848964bd9",
  1197→                "4b0281e42c6cd4d1"
  1198→            ],
  1199→            [
  1200→                "00b6132848964bd9",
  1201→                "b03da2270d8def93"
  1202→            ],
  1203→            [
  1204→                "db_guard_db_guard_cycles",
  1205→                "4fabedfe0668e215"
  1206→            ]
  1207→        ]
  1208→    },
  1209→    {
  1210→        "id": "dbc7a5ee041845ed",
  1211→        "type": "link out",
  1212→        "z": "cac3a4383120cb57",
  1213→        "g": "16bb591480852f51",
  1214→        "name": "link out 5",
  1215→        "mode": "link",
  1216→        "links": [
  1217→            "76ce53cf1ae40e9c"
  1218→        ],
  1219→        "x": 755,
  1220→        "y": 380,
  1221→        "wires": []
  1222→    },
  1223→    {
  1224→        "id": "76ce53cf1ae40e9c",

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

    {
        "id": "0d023d87a13bf56f",
        "type": "function",
        "z": "cac3a4383120cb57",
        "g": "16bb591480852f51",
        "name": "Machine cycles",
        "func": "const current = Number(msg.payload) || 0;\n\nlet zeroStreak = flow.get(\"zeroStreak\") || 0;\nzeroStreak = current === 0 ? zeroStreak + 1 : 0;\nflow.set(\"zeroStreak\", zeroStreak);\n\nconst prev = flow.get(\"lastMachineState\") ?? 0;\nflow.set(\"lastMachineState\", current);\n\nglobal.set(\"machineOnline\", true);\n\nlet productionRunning = !!global.get(\"productionStarted\");\nlet stateChanged = false;\n\nif (current === 1 && !productionRunning) {\n    productionRunning = true;\n    stateChanged = true;\n} else if (current === 0 && zeroStreak >= 2 && productionRunning) {\n    productionRunning = false;\n    stateChanged = true;\n}\n\nglobal.set(\"productionStarted\", productionRunning);\n\nconst stateMsg = stateChanged\n    ? {\n        _mode: \"production-state\",\n        machineOnline: true,\n        productionStarted: productionRunning\n    }\n    : null;\n\nconst activeOrder = global.get(\"activeWorkOrder\");\n// FIX: moldActive is object, extract cavities property\nconst cavities = Number(global.get(\"moldActive\")) || 1;\nif (!activeOrder || !activeOrder.id || cavities <= 0) {\n    return [null, stateMsg, { _triggerKPI: true }, null];\n}\n\nvar trackingEnabled = !!global.get(\"trackingEnabled\");\nif (!trackingEnabled) {\n    return [null, stateMsg, { _triggerKPI: true }, null];\n}\n\nif (prev === 1 || current !== 1) {\n    return [null, stateMsg, { _triggerKPI: true }, null];\n}\n\nlet cycles = Number(global.get(\"cycleCount\") || 0) + 1;\nglobal.set(\"cycleCount\", cycles);\n\n// Clear startup mode after first real cycle\nif (global.get(\"kpiStartupMode\")) {\n    global.set(\"kpiStartupMode\", false);\n    node.warn('[MACHINE CYCLE] First cycle - cleared kpiStartupMode');\n}\n\nconst now = Date.now();\nconst lastCycleTime = global.get(\"lastCycleTime\") || now;\nconst timeSinceLastCycle = now - lastCycleTime;\n\nlet operatingTime = global.get(\"operatingTime\") || 0;\noperatingTime += (timeSinceLastCycle / 1000);\n\nglobal.set(\"operatingTime\", operatingTime);\nnode.warn(`[MACHINE CYCLE] operatingTime updated to ${operatingTime}`);\nglobal.set(\"lastCycleTime\", now);\n\nconst scrapTotal = Number(activeOrder.scrap) || 0;\nconst totalProduced = cycles * cavities;\n// FIX: Guard negative produced\nconst produced = Math.max(0, totalProduced - scrapTotal);\nconst target = Number(activeOrder.target) || 0;\nconst progress = target > 0 ? Math.min(100, Math.round((produced / target) * 100)) : 0;\n\nactiveOrder.good = produced;\nactiveOrder.progressPercent = progress;\nactiveOrder.lastUpdateIso = new Date().toISOString();\nglobal.set(\"activeWorkOrder\", activeOrder);\n\nconst promptIssued = global.get(\"scrapPromptIssuedFor\") || null;\nif (!promptIssued && target > 0 && produced >= target) {\n    global.set(\"scrapPromptIssuedFor\", activeOrder.id);\n    msg._mode = \"scrap-prompt\";\n    msg.scrapPrompt = {\n        id: activeOrder.id,\n        sku: activeOrder.sku || \"\",\n        target,\n        produced\n    };\n    return [null, msg, null, null];\n}\n\nconst dbMsg = {\n    _mode: \"cycle\",\n    cycle: {\n        id: activeOrder.id,\n        sku: activeOrder.sku || \"\",\n        target,\n        good: produced,\n        scrap: Number(activeOrder.scrap) || 0,\n        cycleTime: Number(activeOrder.cycleTime || activeOrder.theoreticalCycleTime || 0),\n        progressPercent: progress,\n        lastUpdateIso: activeOrder.lastUpdateIso,\n        machineOnline: true,\n        productionStarted: productionRunning\n    },\n    // SQL with bound parameters for safety\n    topic: \"UPDATE work_orders SET good_parts = ?, progress_percent = ?, updated_at = NOW() WHERE work_order_id = ?\",\n    payload: [produced, progress, activeOrder.id]\n};\n\nconst kpiTrigger = { _triggerKPI: true };\n\nif (trackingEnabled && dbMsg) {\n    global.set(\"lastMachineCycleTime\", Date.now());\n}\n\n// 4th output: persist cycle_count (msg.payload for MariaDB)\nconst persistCycleCount = {\n    topic: \"UPDATE work_orders SET cycle_count = ?, good_parts = ? WHERE work_order_id = ?\",\n    payload: [cycles, produced, activeOrder.id]\n};\n\nreturn [dbMsg, stateMsg, kpiTrigger, persistCycleCount];",
        "outputs": 4,
        "timeout": 0,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 640,
        "y": 400,
        "wires": [
            [
                "dbc7a5ee041845ed",
                "68747d170d530562"
            ],
            [
                "00b6132848964bd9",
                "4b0281e42c6cd4d1"
            ],
            [
                "00b6132848964bd9",
                "b03da2270d8def93"
            ],
            [
                "db_guard_db_guard_cycles",
                "4fabedfe0668e215"
            ]
        ]
    },
    {
        "id": "dbc7a5ee041845ed",
        "type": "link out",
        "z": "cac3a4383120cb57",
        "g": "16bb591480852f51",
        "name": "link out 5",
        "mode": "link",
        "links": [
            "76ce53cf1ae40e9c"
        ],
        "x": 755,
        "y": 380,
        "wires": []
    },
    {
        "id": "76ce53cf1ae40e9c",


Perfect! I can see the Machine cycles function code. Let me update my todo and verify the DB Guard connection:


TodoWrite

Verify DB Guard switch nodes exist in flows.json

Read and understand current modified_machine_cycles.js implementation

Understand current 4th output to DB Guard (Cycles) connection

Add work_order persistence SQL to 4th output (cycles, good_parts, progress_percent)

Adding work_order persistence to 4th output

Verify wiring from Machine Cycles output 4 to DB Guard (Cycles) to MariaDB

Test that Phase 2 implementation works correctly


  1660→        "id": "db_guard_db_guard_graphs",
  1661→        "type": "switch",
  1662→        "z": "cac3a4383120cb57",
  1663→        "name": "DB Guard (Graphs)",
  1664→        "property": "topic",
  1665→        "propertyType": "msg",
  1666→        "rules": [
  1667→            {
  1668→                "t": "istype",
  1669→                "v": "string",
  1670→                "vt": "string"
  1671→            }
  1672→        ],
  1673→        "checkall": "true",
  1674→        "repair": false,
  1675→        "outputs": 1,
  1676→        "x": 630,
  1677→        "y": 560,
  1678→        "wires": [
  1679→            [
  1680→                "graph_mariadb_node"
  1681→            ]
  1682→        ]
  1683→    },
  1684→    {
  1685→        "id": "db_guard_db_guard_cycles",
  1686→        "type": "switch",
  1687→        "z": "cac3a4383120cb57",
  1688→        "name": "DB Guard (Cycles)",
  1689→        "property": "topic",
  1690→        "propertyType": "msg",
  1691→        "rules": [
  1692→            {
  1693→                "t": "istype",
  1694→                "v": "string",
  1695→                "vt": "string"
  1696→            }
  1697→        ],
  1698→        "checkall": "true",
  1699→        "repair": false,
  1700→        "outputs": 1,
  1701→        "x": 690,
  1702→        "y": 600,
  1703→        "wires": [
  1704→            [
  1705→                "f6ad294bc02618c9"
  1706→            ]
  1707→        ]
  1708→    },
  1709→    {

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>

        "id": "db_guard_db_guard_graphs",
        "type": "switch",
        "z": "cac3a4383120cb57",
        "name": "DB Guard (Graphs)",
        "property": "topic",
        "propertyType": "msg",
        "rules": [
            {
                "t": "istype",
                "v": "string",
                "vt": "string"
            }
        ],
        "checkall": "true",
        "repair": false,
        "outputs": 1,
        "x": 630,
        "y": 560,
        "wires": [
            [
                "graph_mariadb_node"
            ]
        ]
    },
    {
        "id": "db_guard_db_guard_cycles",
        "type": "switch",
        "z": "cac3a4383120cb57",
        "name": "DB Guard (Cycles)",
        "property": "topic",
        "propertyType": "msg",
        "rules": [
            {
                "t": "istype",
                "v": "string",
                "vt": "string"
            }
        ],
        "checkall": "true",
        "repair": false,
        "outputs": 1,
        "x": 690,
        "y": 600,
        "wires": [
            [
                "f6ad294bc02618c9"
            ]
        ]
    },
    {


Excellent! Now let me find what node `f6ad294bc02618c9` is (the MariaDB node that DB Guard (Cycles) connects to):


/home/mdares/.node-red/flows.json-948-        "outputs": 1,
/home/mdares/.node-red/flows.json-949-        "timeout": 0,
/home/mdares/.node-red/flows.json-950-        "noerr": 0,
/home/mdares/.node-red/flows.json-951-        "initialize": "",
/home/mdares/.node-red/flows.json-952-        "finalize": "",
/home/mdares/.node-red/flows.json-953-        "libs": [],
/home/mdares/.node-red/flows.json-954-        "x": 1240,
/home/mdares/.node-red/flows.json-955-        "y": 360,
/home/mdares/.node-red/flows.json-956-        "wires": [
/home/mdares/.node-red/flows.json-957-            [
/home/mdares/.node-red/flows.json-958-                "f6ad294bc02618c9"
/home/mdares/.node-red/flows.json-959-            ]
/home/mdares/.node-red/flows.json-960-        ]
/home/mdares/.node-red/flows.json-961-    },
/home/mdares/.node-red/flows.json-962-    {
/home/mdares/.node-red/flows.json:963:        "id": "f6ad294bc02618c9",
/home/mdares/.node-red/flows.json-964-        "type": "mysql",
/home/mdares/.node-red/flows.json-965-        "z": "cac3a4383120cb57",
/home/mdares/.node-red/flows.json-966-        "g": "b7ab5e0cc02b9508",
/home/mdares/.node-red/flows.json-967-        "mydb": "00d8ad2b0277f906",
/home/mdares/.node-red/flows.json-968-        "name": "mariaDB",
/home/mdares/.node-red/flows.json-969-        "x": 1220,
/home/mdares/.node-red/flows.json-970-        "y": 400,
/home/mdares/.node-red/flows.json-971-        "wires": [
/home/mdares/.node-red/flows.json-972-            [
/home/mdares/.node-red/flows.json-973-                "578c92e75bf0f266"
/home/mdares/.node-red/flows.json-974-            ]
/home/mdares/.node-red/flows.json-975-        ]
/home/mdares/.node-red/flows.json-976-    },
/home/mdares/.node-red/flows.json-977-    {
/home/mdares/.node-red/flows.json-978-        "id": "graph_mariadb_node",


Perfect! Now I have a complete understanding of the setup:

**Current Flow:**
- Machine cycles (line 1180) → Output 4 → DB Guard (Cycles) switch node → mariaDB node (f6ad294bc02618c9)

**Current 4th Output:**
The code already sends cycle persistence on output 4:
```javascript
const persistCycleCount = {
    topic: "UPDATE work_orders SET cycle_count = ?, good_parts = ? WHERE work_order_id = ?",
    payload: [cycles, produced, activeOrder.id]
};
```

**Issue found:** The current implementation already tries to update `cycle_count` and `good_parts`, but it's missing `progress_percent` and `updated_at`. Let me check if this is what needs to be fixed according to the plan:

Looking at the Recommendation.txt Phase 2 SQL Pattern:
```sql
UPDATE work_orders
SET cycle_count = ?,
    good_parts = ?,
    progress_percent = ?,
    updated_at = NOW()
WHERE work_order_id = ?
```

The current code is missing `progress_percent` and `updated_at`. However, I also notice there's ANOTHER dbMsg on output 1 that already updates these fields! Let me analyze this carefully:


Verify DB Guard switch nodes exist in flows.json

Read and understand current modified_machine_cycles.js implementation

Understand current 4th output to DB Guard (Cycles) connection

Analyze potential conflict: Output 1 already updates good_parts and progress_percent

Determine if we need throttling on 4th output (5 second logic)

Modify 4th output to include progress_percent and updated_at

Test that Phase 2 implementation works correctly


Analyze potential conflict: Output 1 already updates good_parts and progress_percent

Determine if we need throttling on 4th output (5 second logic)

Modify 4th output to include progress_percent and updated_at


I found an important issue! Looking at the code in the Machine cycles function:

**Output 1** sends:
```javascript
topic: "UPDATE work_orders SET good_parts = ?, progress_percent = ?, updated_at = NOW() WHERE work_order_id = ?",
payload: [produced, progress, activeOrder.id]
```

**Output 4** sends:
```javascript
topic: "UPDATE work_orders SET cycle_count = ?, good_parts = ? WHERE work_order_id = ?",
payload: [cycles, produced, activeOrder.id]
```

This means:
- Output 1 updates `good_parts`, `progress_percent`, `updated_at` - but **NOT** `cycle_count`
- Output 4 updates `cycle_count`, `good_parts` - but **NOT** `progress_percent`, `updated_at`

According to your feedback in the Recommendation document: *"Machine cycles already has a 4th output that is connected to DB Guard, this is used for persistence of cycles and so that graphs doesn't autorefresh with each cycles."*

This suggests the DB Guard is meant to THROTTLE database writes. Let me check if there's throttling logic. Looking at the code, I don't see any 5-second throttling yet. According to Phase 2 of the plan, we need to:

1. Add throttling (5-second logic similar to session_state)
2. Update ALL fields in one SQL statement on the 4th output

Let me implement this properly:


Edit

"func": "const current = Number(msg.payload) || 0;\n\nlet zeroStreak = flow.get(\"zeroStreak\") || 0;\nzeroStreak = current === 0 ? zeroStreak + 1 : 0;\nflow.set(\"zeroStreak\", zeroStreak);\n\nconst prev = flow.get(\"lastMachineState\") ?? 0;\nflow.set(\"lastMachineState\", current);\n\nglobal.set(\"machineOnline\", true);\n\nlet productionRunning = !!global.get(\"productionStarted\");\nlet stateChanged = false;\n\nif (current === 1 && !productionRunning) {\n    productionRunning = true;\n    stateChanged = true;\n} else if (current === 0 && zeroStreak >= 2 && productionRunning) {\n    productionRunning = false;\n    stateChanged = true;\n}\n\nglobal.set(\"productionStarted\", productionRunning);\n\nconst stateMsg = stateChanged\n    ? {\n        _mode: \"production-state\",\n        machineOnline: true,\n        productionStarted: productionRunning\n    }\n    : null;\n\nconst activeOrder = global.get(\"activeWorkOrder\");\n// FIX: moldActive is object, extract cavities property\nconst cavities = Number(global.get(\"moldActive\")) || 1;\nif (!activeOrder || !activeOrder.id || cavities <= 0) {\n    return [null, stateMsg, { _triggerKPI: true }, null];\n}\n\nvar trackingEnabled = !!global.get(\"trackingEnabled\");\nif (!trackingEnabled) {\n    return [null, stateMsg, { _triggerKPI: true }, null];\n}\n\nif (prev === 1 || current !== 1) {\n    return [null, stateMsg, { _triggerKPI: true }, null];\n}\n\nlet cycles = Number(global.get(\"cycleCount\") || 0) + 1;\nglobal.set(\"cycleCount\", cycles);\n\n// Clear startup mode after first real cycle\nif (global.get(\"kpiStartupMode\")) {\n    global.set(\"kpiStartupMode\", false);\n    node.warn('[MACHINE CYCLE] First cycle - cleared kpiStartupMode');\n}\n\nconst now = Date.now();\nconst lastCycleTime = global.get(\"lastCycleTime\") || now;\nconst timeSinceLastCycle = now - lastCycleTime;\n\nlet operatingTime = global.get(\"operatingTime\") || 0;\noperatingTime += (timeSinceLastCycle / 1000);\n\nglobal.set(\"operatingTime\", operatingTime);\nnode.warn(`[MACHINE CYCLE] operatingTime updated to ${operatingTime}`);\nglobal.set(\"lastCycleTime\", now);\n\nconst scrapTotal = Number(activeOrder.scrap) || 0;\nconst totalProduced = cycles * cavities;\n// FIX: Guard negative produced\nconst produced = Math.max(0, totalProduced - scrapTotal);\nconst target = Number(activeOrder.target) || 0;\nconst progress = target > 0 ? Math.min(100, Math.round((produced / target) * 100)) : 0;\n\nactiveOrder.good = produced;\nactiveOrder.progressPercent = progress;\nactiveOrder.lastUpdateIso = new Date().toISOString();\nglobal.set(\"activeWorkOrder\", activeOrder);\n\nconst promptIssued = global.get(\"scrapPromptIssuedFor\") || null;\nif (!promptIssued && target > 0 && produced >= target) {\n    global.set(\"scrapPromptIssuedFor\", activeOrder.id);\n    msg._mode = \"scrap-prompt\";\n    msg.scrapPrompt = {\n        id: activeOrder.id,\n        sku: activeOrder.sku || \"\",\n        target,\n        produced\n    };\n    return [null, msg, null, null];\n}\n\nconst dbMsg = {\n    _mode: \"cycle\",\n    cycle: {\n        id: activeOrder.id,\n        sku: activeOrder.sku || \"\",\n        target,\n        good: produced,\n        scrap: Number(activeOrder.scrap) || 0,\n        cycleTime: Number(activeOrder.cycleTime || activeOrder.theoreticalCycleTime || 0),\n        progressPercent: progress,\n        lastUpdateIso: activeOrder.lastUpdateIso,\n        machineOnline: true,\n        productionStarted: productionRunning\n    },\n    // SQL with bound parameters for safety\n    topic: \"UPDATE work_orders SET good_parts = ?, progress_percent = ?, updated_at = NOW() WHERE work_order_id = ?\",\n    payload: [produced, progress, activeOrder.id]\n};\n\nconst kpiTrigger = { _triggerKPI: true };\n\nif (trackingEnabled && dbMsg) {\n    global.set(\"lastMachineCycleTime\", Date.now());\n}\n\n// 4th output: persist cycle_count (msg.payload for MariaDB)\nconst persistCycleCount = {\n    topic: \"UPDATE work_orders SET cycle_count = ?, good_parts = ? WHERE work_order_id = ?\",\n    payload: [cycles, produced, activeOrder.id]\n};\n\nreturn [dbMsg, stateMsg, kpiTrigger, persistCycleCount];"

"func": "const current = Number(msg.payload) || 0;\n\nlet zeroStreak = flow.get(\"zeroStreak\") || 0;\nzeroStreak = current === 0 ? zeroStreak + 1 : 0;\nflow.set(\"zeroStreak\", zeroStreak);\n\nconst prev = flow.get(\"lastMachineState\") ?? 0;\nflow.set(\"lastMachineState\", current);\n\nglobal.set(\"machineOnline\", true);\n\nlet productionRunning = !!global.get(\"productionStarted\");\nlet stateChanged = false;\n\nif (current === 1 && !productionRunning) {\n    productionRunning = true;\n    stateChanged = true;\n} else if (current === 0 && zeroStreak >= 2 && productionRunning) {\n    productionRunning = false;\n    stateChanged = true;\n}\n\nglobal.set(\"productionStarted\", productionRunning);\n\nconst stateMsg = stateChanged\n    ? {\n        _mode: \"production-state\",\n        machineOnline: true,\n        productionStarted: productionRunning\n    }\n    : null;\n\nconst activeOrder = global.get(\"activeWorkOrder\");\n// FIX: moldActive is object, extract cavities property\nconst cavities = Number(global.get(\"moldActive\")) || 1;\nif (!activeOrder || !activeOrder.id || cavities <= 0) {\n    return [null, stateMsg, { _triggerKPI: true }, null];\n}\n\nvar trackingEnabled = !!global.get(\"trackingEnabled\");\nif (!trackingEnabled) {\n    return [null, stateMsg, { _triggerKPI: true }, null];\n}\n\nif (prev === 1 || current !== 1) {\n    return [null, stateMsg, { _triggerKPI: true }, null];\n}\n\nlet cycles = Number(global.get(\"cycleCount\") || 0) + 1;\nglobal.set(\"cycleCount\", cycles);\n\n// Clear startup mode after first real cycle\nif (global.get(\"kpiStartupMode\")) {\n    global.set(\"kpiStartupMode\", false);\n    node.warn('[MACHINE CYCLE] First cycle - cleared kpiStartupMode');\n}\n\nconst now = Date.now();\nconst lastCycleTime = global.get(\"lastCycleTime\") || now;\nconst timeSinceLastCycle = now - lastCycleTime;\n\nlet operatingTime = global.get(\"operatingTime\") || 0;\noperatingTime += (timeSinceLastCycle / 1000);\n\nglobal.set(\"operatingTime\", operatingTime);\nnode.warn(`[MACHINE CYCLE] operatingTime updated to ${operatingTime}`);\nglobal.set(\"lastCycleTime\", now);\n\nconst scrapTotal = Number(activeOrder.scrap) || 0;\nconst totalProduced = cycles * cavities;\n// FIX: Guard negative produced\nconst produced = Math.max(0, totalProduced - scrapTotal);\nconst target = Number(activeOrder.target) || 0;\nconst progress = target > 0 ? Math.min(100, Math.round((produced / target) * 100)) : 0;\n\nactiveOrder.good = produced;\nactiveOrder.progressPercent = progress;\nactiveOrder.lastUpdateIso = new Date().toISOString();\nglobal.set(\"activeWorkOrder\", activeOrder);\n\nconst promptIssued = global.get(\"scrapPromptIssuedFor\") || null;\nif (!promptIssued && target > 0 && produced >= target) {\n    global.set(\"scrapPromptIssuedFor\", activeOrder.id);\n    msg._mode = \"scrap-prompt\";\n    msg.scrapPrompt = {\n        id: activeOrder.id,\n        sku: activeOrder.sku || \"\",\n        target,\n        produced\n    };\n    return [null, msg, null, null];\n}\n\nconst dbMsg = {\n    _mode: \"cycle\",\n    cycle: {\n        id: activeOrder.id,\n        sku: activeOrder.sku || \"\",\n        target,\n        good: produced,\n        scrap: Number(activeOrder.scrap) || 0,\n        cycleTime: Number(activeOrder.cycleTime || activeOrder.theoreticalCycleTime || 0),\n        progressPercent: progress,\n        lastUpdateIso: activeOrder.lastUpdateIso,\n        machineOnline: true,\n        productionStarted: productionRunning\n    },\n    // SQL with bound parameters for safety\n    topic: \"UPDATE work_orders SET good_parts = ?, progress_percent = ?, updated_at = NOW() WHERE work_order_id = ?\",\n    payload: [produced, progress, activeOrder.id]\n};\n\nconst kpiTrigger = { _triggerKPI: true };\n\nif (trackingEnabled && dbMsg) {\n    global.set(\"lastMachineCycleTime\", Date.now());\n}\n\n// 4th output: THROTTLED persist to work_orders table (every 5 seconds)\n// This prevents excessive DB writes while ensuring progress is saved regularly\nconst lastWorkOrderSync = global.get(\"lastWorkOrderSync\") || 0;\nconst timeSinceLastSync = now - lastWorkOrderSync;\nlet persistWorkOrder = null;\n\nif (timeSinceLastSync >= 5000) {\n    global.set(\"lastWorkOrderSync\", now);\n    persistWorkOrder = {\n        topic: \"UPDATE work_orders SET cycle_count = ?, good_parts = ?, progress_percent = ?, updated_at = NOW() WHERE work_order_id = ?\",\n        payload: [cycles, produced, progress, activeOrder.id]\n    };\n    node.warn(`[WORK ORDER SYNC] Persisting to DB: cycles=${cycles}, good=${produced}, progress=${progress}%`);\n}\n\nreturn [dbMsg, stateMsg, kpiTrigger, persistWorkOrder];"