Implement canon conformance and maintenance optimizations

Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a06e82-3e08-7042-a79d-438ac6eed8db

infospace/schemas/emission-cadence.schema.yaml

@@ -0,0 +1,159 @@
+$schema: https://json-schema.org/draft/2020-12/schema
+$id: https://info-tech-canon.local/schemas/emission-cadence.schema.yaml
+title: InfoTechCanon EmissionCadenceDeclaration 0.1
+description: Generic source-authored event emission cadence declaration.
+type: object
+required:
+  - schema_version
+  - declaration_id
+  - source
+  - sources
+properties:
+  schema_version:
+    const: "0.1"
+  declaration_id:
+    $ref: "#/$defs/non_empty_string"
+  source:
+    $ref: "#/$defs/non_empty_string"
+  stream_id:
+    $ref: "#/$defs/non_empty_string"
+  sources:
+    type: array
+    minItems: 1
+    items:
+      $ref: "#/$defs/cadence_entry"
+  extensions:
+    $ref: "#/$defs/extensions"
+additionalProperties: false
+$defs:
+  non_empty_string:
+    type: string
+    minLength: 1
+  duration:
+    type: string
+    pattern: "^(?:P(?=\\d|T\\d)(?:\\d+D)?(?:T(?:\\d+H)?(?:\\d+M)?(?:\\d+S)?)?|[1-9][0-9]*(?:s|m|h|d))$"
+  extensions:
+    type: object
+    minProperties: 1
+    propertyNames:
+      pattern: "^[a-z][a-z0-9.-]*$"
+    additionalProperties:
+      type: object
+  heartbeat:
+    type: object
+    required:
+      - event_class
+      - assertion
+      - missing
+    properties:
+      event_class:
+        $ref: "#/$defs/non_empty_string"
+      interval:
+        $ref: "#/$defs/duration"
+      interval_seconds:
+        type: integer
+        minimum: 1
+      assertion:
+        $ref: "#/$defs/non_empty_string"
+      missing:
+        $ref: "#/$defs/non_empty_string"
+      extensions:
+        $ref: "#/$defs/extensions"
+    oneOf:
+      - required: [interval]
+        not:
+          required: [interval_seconds]
+      - required: [interval_seconds]
+        not:
+          required: [interval]
+    additionalProperties: false
+  reconciliation:
+    type: object
+    required:
+      - compare_local
+      - compare_observed
+      - divergence
+    properties:
+      compare_local:
+        $ref: "#/$defs/non_empty_string"
+      compare_observed:
+        $ref: "#/$defs/non_empty_string"
+      divergence:
+        $ref: "#/$defs/non_empty_string"
+      undrained_local:
+        $ref: "#/$defs/non_empty_string"
+      extensions:
+        $ref: "#/$defs/extensions"
+    additionalProperties: false
+  cadence_entry:
+    type: object
+    required:
+      - source_id
+      - event_class
+      - form
+    properties:
+      source_id:
+        $ref: "#/$defs/non_empty_string"
+      source_system:
+        $ref: "#/$defs/non_empty_string"
+      event_class:
+        $ref: "#/$defs/non_empty_string"
+      form:
+        enum:
+          - expected-rate
+          - heartbeat-or-reconciliation
+      window:
+        $ref: "#/$defs/duration"
+      window_seconds:
+        type: integer
+        minimum: 1
+      expected_min:
+        type: integer
+        minimum: 0
+      drop_below:
+        $ref: "#/$defs/non_empty_string"
+      heartbeat:
+        $ref: "#/$defs/heartbeat"
+      reconciliation:
+        $ref: "#/$defs/reconciliation"
+      extensions:
+        $ref: "#/$defs/extensions"
+    allOf:
+      - if:
+          properties:
+            form:
+              const: expected-rate
+          required: [form]
+        then:
+          required:
+            - expected_min
+            - drop_below
+          oneOf:
+            - required: [window]
+              not:
+                anyOf:
+                  - required: [window_seconds]
+                  - required: [heartbeat]
+                  - required: [reconciliation]
+            - required: [window_seconds]
+              not:
+                anyOf:
+                  - required: [window]
+                  - required: [heartbeat]
+                  - required: [reconciliation]
+      - if:
+          properties:
+            form:
+              const: heartbeat-or-reconciliation
+          required: [form]
+        then:
+          anyOf:
+            - required: [heartbeat]
+            - required: [reconciliation]
+          not:
+            anyOf:
+              - required: [window]
+              - required: [window_seconds]
+              - required: [expected_min]
+              - required: [drop_below]
+    additionalProperties: false

infospace/schemas/index.yaml

@@ -25,3 +25,5 @@ schemas:
     path: capability-record.schema.yaml
   - id: attribute-value-type
     path: attribute-value-type.schema.yaml
+  - id: emission-cadence
+    path: emission-cadence.schema.yaml