{
  "version": "v69",
  "scope": "40 existing topic entries from the previously integrated v60 Engine Performance, HVAC and Automatic Transmission course player",
  "counting_caution": "40 subject entries are not 40 newly authored lessons; 24 entries pair old lessons with newer labs, others are original or newer-only material. Material may already be linked from older pages.",
  "source_files": [
    "docs/V60_COURSE_RECONCILIATION.json",
    "docs/V66_APPROVED_CURRICULUM_CROSSWALK.json"
  ],
  "integration_definition": "Direct subject-title links from the approved 18-course / 136-subcourse directory to the v60 existing-content player. No original educational content duplicated or revised.",
  "navigation_caveats": [
    "Placements made on title/topic evidence and are provisional.",
    "Some activities can relate to additional subcourses; one primary home chosen to avoid counting duplicates.",
    "Existing historical quiz and lab outcomes are not made centrally auto-scored.",
    "Full browser verification of individual activities remains outstanding."
  ],
  "total_unique_existing_topics": 40,
  "paired_existing_topics": 24,
  "source_breakdown": {
    "Automatic Transmissions & Transaxles": 2,
    "Engine Performance & Emissions": 22,
    "HVAC & Thermal Management": 16
  },
  "approved_subcourses_with_links": 16,
  "approved_subcourse_item_counts": {
    "06.7": 1,
    "07.2": 3,
    "07.3": 2,
    "07.4": 1,
    "07.5": 2,
    "07.6": 2,
    "07.7": 4,
    "07.8": 2,
    "08.5": 5,
    "09.1": 3,
    "09.2": 1,
    "09.3": 5,
    "09.4": 3,
    "09.5": 4,
    "11.4": 1,
    "11.5": 1
  },
  "items": [
    {
      "id": "ep-01",
      "title": "Fuel Trim & Air–Fuel Diagnosis",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.6",
      "approved_subcourse_title": "Fuel Trim, Air–Fuel Feedback & Driveability",
      "master_route": "#/systems-integrated/engine-performance/ep-01",
      "historical_source_route": "#/engine-performance-lesson-01",
      "standalone_file": "standalones/Autonatomy_Fuel_Trim_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-02",
      "title": "Oxygen Sensor & Air–Fuel Feedback",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.6",
      "approved_subcourse_title": "Fuel Trim, Air–Fuel Feedback & Driveability",
      "master_route": "#/systems-integrated/engine-performance/ep-02",
      "historical_source_route": "#/engine-performance-lesson-02",
      "standalone_file": "standalones/Autonatomy_Oxygen_Sensor_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-03",
      "title": "MAF & MAP Diagnostics",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.2",
      "approved_subcourse_title": "Air Induction, Throttle Control & Boost",
      "master_route": "#/systems-integrated/engine-performance/ep-03",
      "historical_source_route": "#/engine-performance-lesson-03",
      "standalone_file": "standalones/Autonatomy_MAF_MAP_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-04",
      "title": "Electronic Throttle Control",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.2",
      "approved_subcourse_title": "Air Induction, Throttle Control & Boost",
      "master_route": "#/systems-integrated/engine-performance/ep-04",
      "historical_source_route": "#/engine-performance-lesson-04",
      "standalone_file": "standalones/Autonatomy_Throttle_Control_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-05",
      "title": "Ignition Timing & Spark Advance",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.4",
      "approved_subcourse_title": "Ignition, Combustion & Timing Control",
      "master_route": "#/systems-integrated/engine-performance/ep-05",
      "historical_source_route": "#/engine-performance-lesson-05",
      "standalone_file": "standalones/Autonatomy_Ignition_Timing_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-06",
      "title": "Crankshaft & Camshaft Position Sensors",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.5",
      "approved_subcourse_title": "Engine Sensors, Actuators & Control Strategies",
      "master_route": "#/systems-integrated/engine-performance/ep-06",
      "historical_source_route": "#/engine-performance-lesson-06",
      "standalone_file": "standalones/Autonatomy_CKP_CMP_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-07",
      "title": "Fuel Injector Timing & Pulse Width",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.3",
      "approved_subcourse_title": "Fuel Delivery & Electronic Fuel Injection",
      "master_route": "#/systems-integrated/engine-performance/ep-07",
      "historical_source_route": "#/engine-performance-lesson-07",
      "standalone_file": "standalones/Autonatomy_Fuel_Injector_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-08",
      "title": "Fuel Pressure & Delivery Diagnostics",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.3",
      "approved_subcourse_title": "Fuel Delivery & Electronic Fuel Injection",
      "master_route": "#/systems-integrated/engine-performance/ep-08",
      "historical_source_route": "#/engine-performance-lesson-08",
      "standalone_file": "standalones/Autonatomy_Fuel_Pressure_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-09",
      "title": "Misfire Detection & Diagnostic Reasoning",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.8",
      "approved_subcourse_title": "Applied Engine Performance Diagnostics",
      "master_route": "#/systems-integrated/engine-performance/ep-09",
      "historical_source_route": "#/engine-performance-lesson-09",
      "standalone_file": "standalones/Autonatomy_Misfire_Diagnostics_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-10",
      "title": "Catalytic Converter & Downstream Oxygen Sensor Diagnostics",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.7",
      "approved_subcourse_title": "Emissions: EGR, EVAP, PCV & Catalysts",
      "master_route": "#/systems-integrated/engine-performance/ep-10",
      "historical_source_route": "#/engine-performance-lesson-10",
      "standalone_file": "standalones/Autonatomy_Catalyst_O2_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-11",
      "title": "EVAP System & Leak Diagnostics",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.7",
      "approved_subcourse_title": "Emissions: EGR, EVAP, PCV & Catalysts",
      "master_route": "#/systems-integrated/engine-performance/ep-11",
      "historical_source_route": "#/engine-performance-lesson-11",
      "standalone_file": "standalones/Autonatomy_EVAP_Diagnostics_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-12",
      "title": "Exhaust Gas Recirculation (EGR) Diagnostics",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.7",
      "approved_subcourse_title": "Emissions: EGR, EVAP, PCV & Catalysts",
      "master_route": "#/systems-integrated/engine-performance/ep-12",
      "historical_source_route": "#/engine-performance-lesson-12",
      "standalone_file": "standalones/Autonatomy_EGR_Diagnostics_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-13",
      "title": "Variable Valve Timing (VVT) Diagnostics",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.5",
      "approved_subcourse_title": "Engine Sensors, Actuators & Control Strategies",
      "master_route": "#/systems-integrated/engine-performance/ep-13",
      "historical_source_route": "#/engine-performance-lesson-13",
      "standalone_file": "standalones/Autonatomy_VVT_Diagnostics_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-14",
      "title": "Turbocharger Boost & Charge-Air Diagnostics",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.2",
      "approved_subcourse_title": "Air Induction, Throttle Control & Boost",
      "master_route": "#/systems-integrated/engine-performance/ep-14",
      "historical_source_route": "#/engine-performance-lesson-14",
      "standalone_file": "standalones/Autonatomy_Boost_Control_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-15",
      "title": "PCV, Crankcase Pressure & Intake Vacuum Diagnostics",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.7",
      "approved_subcourse_title": "Emissions: EGR, EVAP, PCV & Catalysts",
      "master_route": "#/systems-integrated/engine-performance/ep-15",
      "historical_source_route": "#/engine-performance-lesson-15",
      "standalone_file": "standalones/Autonatomy_PCV_Vacuum_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-16",
      "title": "Engine Compression & Cylinder Leak-Down Diagnostics",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "06.7",
      "approved_subcourse_title": "Mechanical Diagnostics, Service & Repair",
      "master_route": "#/systems-integrated/engine-performance/ep-16",
      "historical_source_route": "#/engine-performance-lesson-16",
      "standalone_file": "standalones/Autonatomy_Compression_Leakdown_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-17",
      "title": "The Challenger: Engine Performance Diagnostic Capstone",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Air–Fuel Control & Feedback · existing lessons 1–17",
      "approved_subcourse_code": "07.8",
      "approved_subcourse_title": "Applied Engine Performance Diagnostics",
      "master_route": "#/systems-integrated/engine-performance/ep-17",
      "historical_source_route": "#/engine-performance-lesson-17",
      "standalone_file": "standalones/Autonatomy_Engine_Performance_Capstone_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-d01",
      "title": "Cranks, but Won’t Start: A Diagnostic Decision Lab",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Applied Engine Performance Diagnostics · existing lessons 1–5",
      "approved_subcourse_code": "08.5",
      "approved_subcourse_title": "No-Start, Stall, Misfire & Performance Complaints",
      "master_route": "#/systems-integrated/engine-performance/ep-d01",
      "historical_source_route": "#/engine-performance-unit-02-lesson-01",
      "standalone_file": "standalones/Autonatomy_No_Start_Diagnostic_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-d02",
      "title": "Starts, Then Stalls: A Diagnostic Decision Lab",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Applied Engine Performance Diagnostics · existing lessons 1–5",
      "approved_subcourse_code": "08.5",
      "approved_subcourse_title": "No-Start, Stall, Misfire & Performance Complaints",
      "master_route": "#/systems-integrated/engine-performance/ep-d02",
      "historical_source_route": "#/engine-performance-unit-02-lesson-02",
      "standalone_file": "standalones/Autonatomy_Starts_Then_Stalls_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-d03",
      "title": "Hesitation & Loss of Power Under Load",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Applied Engine Performance Diagnostics · existing lessons 1–5",
      "approved_subcourse_code": "08.5",
      "approved_subcourse_title": "No-Start, Stall, Misfire & Performance Complaints",
      "master_route": "#/systems-integrated/engine-performance/ep-d03",
      "historical_source_route": "#/engine-performance-unit-02-lesson-03",
      "standalone_file": "standalones/Autonatomy_Hesitation_Loss_of_Power_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-d04",
      "title": "Rough Idle & Idle Speed Control",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Applied Engine Performance Diagnostics · existing lessons 1–5",
      "approved_subcourse_code": "08.5",
      "approved_subcourse_title": "No-Start, Stall, Misfire & Performance Complaints",
      "master_route": "#/systems-integrated/engine-performance/ep-d04",
      "historical_source_route": "#/engine-performance-unit-02-lesson-04",
      "standalone_file": "standalones/Autonatomy_Rough_Idle_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "ep-d05",
      "title": "Hard Starting: Cold vs. Hot",
      "source_course": "Engine Performance & Emissions",
      "source_unit": "Applied Engine Performance Diagnostics · existing lessons 1–5",
      "approved_subcourse_code": "08.5",
      "approved_subcourse_title": "No-Start, Stall, Misfire & Performance Complaints",
      "master_route": "#/systems-integrated/engine-performance/ep-d05",
      "historical_source_route": "#/engine-performance-unit-02-lesson-05",
      "standalone_file": "standalones/Autonatomy_Hard_Start_Cold_Hot_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "hv-old-1",
      "title": "Why HVAC Matters: Comfort, Visibility & Safety",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Earlier HVAC Fundamentals (v89)",
      "approved_subcourse_code": "09.1",
      "approved_subcourse_title": "Thermal Principles & Refrigerant Fundamentals",
      "master_route": "#/systems-integrated/hvac/hv-old-1",
      "historical_source_route": "#/hvac/lesson/hv1",
      "standalone_file": null,
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "historical lesson/lab/challenge"
    },
    {
      "id": "hv-old-2",
      "title": "Heat Transfer & the Refrigeration Loop",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Earlier HVAC Fundamentals (v89)",
      "approved_subcourse_code": "09.1",
      "approved_subcourse_title": "Thermal Principles & Refrigerant Fundamentals",
      "master_route": "#/systems-integrated/hvac/hv-old-2",
      "historical_source_route": "#/hvac/lesson/hv2",
      "standalone_file": null,
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "historical lesson/lab/challenge"
    },
    {
      "id": "hv-old-3",
      "title": "Follow the Cabin Air Path",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Earlier HVAC Fundamentals (v89)",
      "approved_subcourse_code": "09.3",
      "approved_subcourse_title": "Heater Cores, Air Distribution & Blower Control",
      "master_route": "#/systems-integrated/hvac/hv-old-3",
      "historical_source_route": "#/hvac/lesson/hv3",
      "standalone_file": null,
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "historical lesson/lab/challenge"
    },
    {
      "id": "hv-old-4",
      "title": "Heater Cores, Blend Doors & Defogging",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Earlier HVAC Fundamentals (v89)",
      "approved_subcourse_code": "09.3",
      "approved_subcourse_title": "Heater Cores, Air Distribution & Blower Control",
      "master_route": "#/systems-integrated/hvac/hv-old-4",
      "historical_source_route": "#/hvac/lesson/hv4",
      "standalone_file": null,
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "historical lesson/lab/challenge"
    },
    {
      "id": "hv-old-5",
      "title": "Complaint-Led HVAC Inspection & Safety",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Earlier HVAC Fundamentals (v89)",
      "approved_subcourse_code": "09.5",
      "approved_subcourse_title": "System Performance Testing & Refrigerant Service",
      "master_route": "#/systems-integrated/hvac/hv-old-5",
      "historical_source_route": "#/hvac/lesson/hv5",
      "standalone_file": null,
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "historical lesson/lab/challenge"
    },
    {
      "id": "hv-old-lab",
      "title": "Airflow & Thermal Path Lab",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Earlier HVAC Fundamentals (v89)",
      "approved_subcourse_code": "09.3",
      "approved_subcourse_title": "Heater Cores, Air Distribution & Blower Control",
      "master_route": "#/systems-integrated/hvac/hv-old-lab",
      "historical_source_route": "#/hvac/lab",
      "standalone_file": null,
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "historical lesson/lab/challenge"
    },
    {
      "id": "hv-old-challenge",
      "title": "HVAC Challenger Diagnostic Case",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Earlier HVAC Fundamentals (v89)",
      "approved_subcourse_code": "09.5",
      "approved_subcourse_title": "System Performance Testing & Refrigerant Service",
      "master_route": "#/systems-integrated/hvac/hv-old-challenge",
      "historical_source_route": "#/hvac/challenge",
      "standalone_file": null,
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "historical lesson/lab/challenge"
    },
    {
      "id": "hv-01",
      "title": "HVAC · Unit 1: Move the Heat",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Newer HVAC Fundamentals (eight-unit sequence)",
      "approved_subcourse_code": "09.1",
      "approved_subcourse_title": "Thermal Principles & Refrigerant Fundamentals",
      "master_route": "#/systems-integrated/hvac/hv-01",
      "historical_source_route": null,
      "standalone_file": "standalones/Autonatomy_HVAC_Unit_1.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "standalone activity"
    },
    {
      "id": "hv-02",
      "title": "HVAC · Unit 2: Follow the Refrigerant",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Newer HVAC Fundamentals (eight-unit sequence)",
      "approved_subcourse_code": "09.2",
      "approved_subcourse_title": "Refrigeration Circuits & HVAC Components",
      "master_route": "#/systems-integrated/hvac/hv-02",
      "historical_source_route": null,
      "standalone_file": "standalones/Autonatomy_HVAC_Unit_2.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "standalone activity"
    },
    {
      "id": "hv-03",
      "title": "HVAC · Unit 3: Bring the Heat",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Newer HVAC Fundamentals (eight-unit sequence)",
      "approved_subcourse_code": "09.3",
      "approved_subcourse_title": "Heater Cores, Air Distribution & Blower Control",
      "master_route": "#/systems-integrated/hvac/hv-03",
      "historical_source_route": null,
      "standalone_file": "standalones/Autonatomy_HVAC_Unit_3.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "standalone activity"
    },
    {
      "id": "hv-04",
      "title": "HVAC · Unit 4: Move the Air. Find the Fault.",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Newer HVAC Fundamentals (eight-unit sequence)",
      "approved_subcourse_code": "09.3",
      "approved_subcourse_title": "Heater Cores, Air Distribution & Blower Control",
      "master_route": "#/systems-integrated/hvac/hv-04",
      "historical_source_route": null,
      "standalone_file": "standalones/Autonatomy_HVAC_Unit_4.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "standalone activity"
    },
    {
      "id": "hv-05",
      "title": "HVAC · Unit 5: Command the Climate",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Newer HVAC Fundamentals (eight-unit sequence)",
      "approved_subcourse_code": "09.4",
      "approved_subcourse_title": "Automatic Climate Control & Electronics",
      "master_route": "#/systems-integrated/hvac/hv-05",
      "historical_source_route": null,
      "standalone_file": "standalones/Autonatomy_HVAC_Unit_5.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "standalone activity"
    },
    {
      "id": "hv-06",
      "title": "HVAC Unit 6 · Trace the Command. Test the Circuit.",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Newer HVAC Fundamentals (eight-unit sequence)",
      "approved_subcourse_code": "09.4",
      "approved_subcourse_title": "Automatic Climate Control & Electronics",
      "master_route": "#/systems-integrated/hvac/hv-06",
      "historical_source_route": null,
      "standalone_file": "standalones/Autonatomy_HVAC_Unit_6.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "standalone activity"
    },
    {
      "id": "hv-07",
      "title": "HVAC Unit 7 · Test the Performance. Find the Cause.",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Newer HVAC Fundamentals (eight-unit sequence)",
      "approved_subcourse_code": "09.5",
      "approved_subcourse_title": "System Performance Testing & Refrigerant Service",
      "master_route": "#/systems-integrated/hvac/hv-07",
      "historical_source_route": null,
      "standalone_file": "standalones/Autonatomy_HVAC_Unit_7.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "standalone activity"
    },
    {
      "id": "hv-08",
      "title": "HVAC Unit 8 · Complete Diagnostic Capstone",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Newer HVAC Fundamentals (eight-unit sequence)",
      "approved_subcourse_code": "09.5",
      "approved_subcourse_title": "System Performance Testing & Refrigerant Service",
      "master_route": "#/systems-integrated/hvac/hv-08",
      "historical_source_route": null,
      "standalone_file": "standalones/Autonatomy_HVAC_Unit_8.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "standalone activity"
    },
    {
      "id": "hv-circuit",
      "title": "Student-mode HVAC Electrical Circuit Preview",
      "source_course": "HVAC & Thermal Management",
      "source_unit": "Previously developed circuit demonstration",
      "approved_subcourse_code": "09.4",
      "approved_subcourse_title": "Automatic Climate Control & Electronics",
      "master_route": "#/systems-integrated/hvac/hv-circuit",
      "historical_source_route": null,
      "standalone_file": "labs/autonatomy_hvac_course_preview_student_mode.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "standalone activity"
    },
    {
      "id": "at-01",
      "title": "Hydraulic Pressure & Clutch Apply",
      "source_course": "Automatic Transmissions & Transaxles",
      "source_unit": "Hydraulic & Electronic Controls · existing lessons 1–2",
      "approved_subcourse_code": "11.4",
      "approved_subcourse_title": "Hydraulic Circuits, Pumps & Valve Bodies",
      "master_route": "#/systems-integrated/transmissions/at-01",
      "historical_source_route": "#/at-unit-02-lesson-01",
      "standalone_file": "standalones/Autonatomy_Transmission_Hydraulics_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    },
    {
      "id": "at-02",
      "title": "Valve Body & Shift Solenoid Logic",
      "source_course": "Automatic Transmissions & Transaxles",
      "source_unit": "Hydraulic & Electronic Controls · existing lessons 1–2",
      "approved_subcourse_code": "11.5",
      "approved_subcourse_title": "Electronic Controls, Solenoids & Shift Strategies",
      "master_route": "#/systems-integrated/transmissions/at-02",
      "historical_source_route": "#/at-unit-02-lesson-02",
      "standalone_file": "standalones/Autonatomy_Valve_Body_Solenoid_Lab.html",
      "source_preserved": "yes; existing v60 course player presents original resource(s) unchanged",
      "placement_status": "provisional title/topic match; educational review and browser tests pending",
      "evidence_type": "paired legacy lesson and standalone activity"
    }
  ]
}