feat: open API v1 and postman collection

internal/database/migrations/20260414090000_create_integration_api_keys.up.sql

@@ -0,0 +1,23 @@
+CREATE TABLE IF NOT EXISTS integration_api_keys (
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR(100) NOT NULL,
+    environment VARCHAR(50) NOT NULL,
+    status VARCHAR(20) NOT NULL DEFAULT 'active',
+    key_prefix VARCHAR(64) NOT NULL,
+    key_hash TEXT NOT NULL,
+    permission_codes JSONB NOT NULL DEFAULT '[]'::jsonb,
+    all_area BOOLEAN NOT NULL DEFAULT FALSE,
+    area_ids JSONB NOT NULL DEFAULT '[]'::jsonb,
+    all_location BOOLEAN NOT NULL DEFAULT FALSE,
+    location_ids JSONB NOT NULL DEFAULT '[]'::jsonb,
+    last_used_at TIMESTAMPTZ NULL,
+    last_used_from VARCHAR(128) NULL,
+    revoked_at TIMESTAMPTZ NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ NULL,
+    CONSTRAINT uq_integration_api_keys_environment_prefix UNIQUE (environment, key_prefix)
+);
+
+CREATE INDEX idx_integration_api_keys_status ON integration_api_keys (status);
+CREATE INDEX idx_integration_api_keys_deleted_at ON integration_api_keys (deleted_at);