Publish ITWorx Pulse source

internal/database/migrations/0002_inventory.sql

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+CREATE TABLE entity_facts (
+    entity_id uuid NOT NULL REFERENCES entities(id) ON DELETE CASCADE,
+    field_name text NOT NULL,
+    source_id uuid NOT NULL REFERENCES data_sources(id) ON DELETE CASCADE,
+    value jsonb NOT NULL,
+    observed_at timestamptz NOT NULL,
+    confidence numeric(5,4) NOT NULL CHECK (confidence >= 0 AND confidence <= 1),
+    valid_until timestamptz,
+    PRIMARY KEY (entity_id, field_name, source_id)
+);
+
+CREATE TABLE entity_overrides (
+    entity_id uuid NOT NULL REFERENCES entities(id) ON DELETE CASCADE,
+    field_name text NOT NULL,
+    value jsonb NOT NULL,
+    user_id uuid REFERENCES users(id) ON DELETE SET NULL,
+    updated_at timestamptz NOT NULL DEFAULT now(),
+    PRIMARY KEY (entity_id, field_name)
+);
+
+CREATE TABLE entity_relations (
+    id uuid PRIMARY KEY,
+    source_entity_id uuid NOT NULL REFERENCES entities(id) ON DELETE CASCADE,
+    relation_type text NOT NULL,
+    target_entity_id uuid NOT NULL REFERENCES entities(id) ON DELETE CASCADE,
+    source_id uuid NOT NULL REFERENCES data_sources(id) ON DELETE CASCADE,
+    confidence numeric(5,4) NOT NULL CHECK (confidence >= 0 AND confidence <= 1),
+    confirmed boolean NOT NULL DEFAULT false,
+    first_seen_at timestamptz NOT NULL,
+    last_seen_at timestamptz,
+    tombstoned_at timestamptz,
+    UNIQUE (source_entity_id, relation_type, target_entity_id, source_id)
+);
+
+CREATE INDEX entity_facts_source_observed_idx ON entity_facts (source_id, observed_at DESC);
+CREATE INDEX entity_relations_source_idx ON entity_relations (source_id, last_seen_at DESC);