Explicit segments.
No guessed angles.

AngularLinearFlowPathAttachment {
  flowSystemSeedRef,
  angularLinearFlowPathSetRef,
  status,
  mutationAllowed: false
}

25.00 FlowSystemSeed.angularPathAttachmentRef remains null.

{
  "module": "Compo 25.02",
  "name": "l_z_vertical_diagonal_paths",
  "version": "1.0-canonical",
  "canonical_main_title": "L/Z/vertical/diagonal paths",
  "topic": "25_S_CURVE_L_STRUCTURE_AND_OTHER_ROUTES",
  "scope": "EXPLICIT_OWNER_QUALIFIED_POINT_SEGMENT_JUNCTION_AND_SEGMENT_RELATION_EVIDENCE_FOR_L_Z_VERTICAL_DIAGONAL_PATH_GEOMETRY_REALIZATION_AND_TOPOLOGY_DESCRIPTORS_ONLY_WITHOUT_OBJECT_PROJECTION_COVERAGE_GAPS_ORDERING_TEMPLATE_SELECTION_OR_SCORING",
  "main_topic_contract": {
    "topic_title": "S-кривая, L-структура и другие маршруты",
    "topic_goal": "Хранит типовые маршруты S/C/L/Z и другие flow templates, чтобы сравнивать arrangement объектов с конкретной траекторией, а не оценивать движение абстрактно.",
    "expected_output": "FlowTemplate, route-fit descriptors, ordered objects",
    "planned_files": [
      "25.00 Flow-template schema",
      "25.01 S/C/serpentine paths",
      "25.02 L/Z/vertical/diagonal paths",
      "25.03 Object projection, coverage and gaps",
      "25.04 Template selection, scoring and tests"
    ]
  },
  "ownership": {
    "owner": "Compo25.02",
    "owns": [
      "AngularLinearSegmentClass taxonomy",
      "AngularLinearSegmentRelationKind taxonomy",
      "AngularLinearPointEvidence",
      "AngularLinearSegmentEvidence",
      "AngularLinearJunctionEvidence",
      "AngularLinearSegmentRelationEvidence",
      "AngularLinearGeometryPolicy",
      "AngularLinearPathDescriptor",
      "AngularLinearPathSet",
      "AngularLinearPathAttachment",
      "exact owner-qualified point/segment realization for L_PATH / Z_PATH / VERTICAL_PATH / DIAGONAL_PATH",
      "explicit perpendicular/parallel relation validation without hidden angle tolerance",
      "identity/status/provenance rules for Topic25 angular/linear path layer",
      "non-mutating correction request for angular/linear path evidence"
    ],
    "does_not_own": [
      "FlowTemplate identity/path binding/traversal declaration — Compo25.00",
      "S/C/serpentine geometry realization — Compo25.01",
      "raw line/segment extraction from image — upstream/path owner",
      "implicit horizontal/vertical/diagonal classification from pixels",
      "implicit angle tolerance or near-parallel threshold",
      "object projection onto route — Compo25.03",
      "coverage, gaps or ordered-object derivation — Compo25.03",
      "template selection, target profile, MetricResult or scoring — Compo25.04",
      "Topic24 diagonal-composition axis semantics",
      "Topic26 rhythm semantics",
      "Topic27 eye-flow / attention semantics",
      "dominance / hierarchy / beautyScore / final-layout ranking",
      "foreign geometry/style/semantic mutation"
    ]
  },
  "taxonomies": {
    "supportedTemplateKinds": [
      "L_PATH",
      "Z_PATH",
      "VERTICAL_PATH",
      "DIAGONAL_PATH"
    ],
    "AngularLinearSegmentClass": [
      "HORIZONTAL",
      "VERTICAL",
      "DIAGONAL",
      "OWNER_DEFINED"
    ],
    "AngularLinearSegmentRelationKind": [
      "PARALLEL",
      "PERPENDICULAR",
      "OWNER_DEFINED"
    ],
    "AngularLinearJunctionKind": [
      "CORNER",
      "OWNER_DEFINED"
    ]
  },
  "topology_contract": {
    "L_PATH": "3 points, 2 contiguous segments, 1 CORNER junction, explicit PERPENDICULAR relation between segment 0 and 1",
    "Z_PATH": "4 points, 3 contiguous segments, 2 CORNER junctions, explicit PARALLEL relation between outer segments 0 and 2",
    "VERTICAL_PATH": "2 points, 1 segment explicitly classified VERTICAL, no junction",
    "DIAGONAL_PATH": "2 points, 1 segment explicitly classified DIAGONAL, no junction",
    "no_hidden_angle_tolerance": true,
    "no_coordinate_derived_segment_class": true
  },
  "geometry_policy": {
    "selectionMode": "EXPLICIT_ANGULAR_LINEAR_TEMPLATES_ONLY",
    "maxTemplates": [
      1,
      256
    ],
    "maxPointsPerPath": [
      2,
      2048
    ],
    "maxSegmentsPerPath": [
      1,
      2047
    ],
    "maxJunctionsPerPath": [
      0,
      2046
    ],
    "maxRelationsPerPath": [
      0,
      128
    ],
    "overflow": "N_A_WITHOUT_TRUNCATION",
    "missingEvidence": "N_A",
    "conflictingEvidence": "N_A_NO_WINNER",
    "malformedTopology": "INVALID",
    "autoPathExtraction": false,
    "autoSegmentClassification": false,
    "autoAngleInference": false,
    "autoObjectProjection": false,
    "autoObjectOrdering": false,
    "autoTemplateSelection": false,
    "autoScoring": false
  },
  "descriptor_contract": {
    "pointCount": "exact explicit count",
    "segmentCount": "exact explicit count",
    "junctionCount": "exact explicit count",
    "segmentClasses": "explicit evidence only",
    "topologyClass": "DECLARED_L_PATH | DECLARED_Z_PATH | DECLARED_VERTICAL_PATH | DECLARED_DIAGONAL_PATH",
    "routeFitDescriptorRef": null,
    "projectionAttachmentRef": null,
    "orderedObjectRefs": [],
    "scoreRef": null,
    "metricResultRefs": []
  },
  "status_semantics": {
    "OK": "exact 25.00 lineage + complete valid explicit geometry evidence + declared topology contract satisfied",
    "N_A": "missing/conflicting/overflow owner-qualified evidence; never numeric zero",
    "INVALID": "malformed records, broken index continuity, impossible declared topology; never numeric zero"
  },
  "firewalls": [
    "L/Z/vertical/diagonal geometry != route fit",
    "explicit VERTICAL class != coordinate-derived vertical inference",
    "explicit DIAGONAL class != Topic24 diagonal composition",
    "PERPENDICULAR relation != aesthetic preference",
    "PARALLEL relation != balance score",
    "DIRECTED traversal != observed attention order",
    "path point order != object order",
    "geometry realization != object projection",
    "missing relation != false relation",
    "N_A != 0",
    "INVALID != 0",
    "descriptor != score",
    "local != global"
  ],
  "root_attachment": {
    "flowSystemSeedRef": "exact 25.00 seed",
    "angularLinearFlowPathSetRef": "exact 25.02 set",
    "25_00_seed_angularPathAttachmentRef_remains": null,
    "mutationAllowed": false
  },
  "visual_explanation": {
    "diagrams": [
      "L path anatomy: two segments + explicit perpendicular relation",
      "Z path anatomy: three segments + explicit outer parallel relation",
      "vertical vs diagonal single-segment declarations",
      "directed traversal reversal without object-order inference",
      "missing relation vs malformed topology",
      "25.00 template -> explicit evidence -> 25.02 descriptor pipeline"
    ]
  },
  "ideas_data_hooks": {
    "IDEAS_REFS": [
      "L/Z route recognition under rotation",
      "explicit relation labeling reliability",
      "near-parallel perception vs exact declaration",
      "vertical/diagonal route ambiguity under perspective",
      "directed reversal and reading culture",
      "responsive transformation preserving topology",
      "angular route legibility vs segment count"
    ],
    "DATA_CAPTURE": [
      "template/path/frame lineage",
      "point and segment evidence",
      "junction evidence",
      "parallel/perpendicular relation evidence",
      "topology class/status",
      "conflict and overflow status"
    ],
    "DEFERRED_SEMANTIC_INPUTS": [
      "route desirability",
      "object-route fit",
      "coverage target",
      "gap tolerance",
      "main template selection"
    ],
    "HUMAN_FEEDBACK_HOOKS": [
      "point/segment correction",
      "segment-class correction",
      "junction correction",
      "relation correction",
      "path-owner/frame correction"
    ],
    "CONFLICT_PRIORITY_ASSUMPTIONS": [
      "confidence does not resolve conflicting geometry",
      "source order does not resolve relation conflicts",
      "visual closeness does not create PARALLEL/PERPENDICULAR declaration",
      "route kind label is not score"
    ],
    "LAB_HOOKS": [
      "rotated L/Z recognition study",
      "parallel/perpendicular perception study",
      "vertical/diagonal ambiguity study",
      "angular-route sparse sampling study"
    ]
  },
  "metrics": {
    "owns_metrics": [],
    "independent_numeric_votes": 0
  },
  "topic25ProgressAfterThisModule": "3/5 local",
  "next_module": "Compo 25.03 — Object projection, coverage and gaps",
  "hard_stop": "NO_25_03_25_04_IMPLEMENTATION_IN_THIS_FILE"
}