AI Gateway Go 0.10.0 源码快照 + 旗舰版需求规划报告

M0-M7 已完成:核心网关(身份/RBAC/TOTP/OIDC/SAML/Provider/配额/路由/内容策略/审计/定价)+ 资源市场(MCP/Skills/数字员工)。
含 22 个 PostgreSQL 迁移、管理端/门户端前端源码、OpenAPI 契约、部署 compose。

Co-Authored-By: Claude <noreply@anthropic.com>

migrations/000010_saml.sql

@@ -0,0 +1,15 @@
+ALTER TABLE gateway.identity_providers
+    DROP CONSTRAINT IF EXISTS identity_providers_kind_check;
+
+ALTER TABLE gateway.identity_providers
+    ADD CONSTRAINT identity_providers_kind_check
+        CHECK (kind IN ('oidc', 'saml')),
+    ALTER COLUMN issuer_url DROP NOT NULL,
+    ALTER COLUMN client_id DROP NOT NULL,
+    ALTER COLUMN encrypted_credentials DROP NOT NULL,
+    ALTER COLUMN credential_kek_version DROP NOT NULL,
+    ALTER COLUMN redirect_uri DROP NOT NULL,
+    ADD COLUMN IF NOT EXISTS config jsonb NOT NULL DEFAULT '{}'::jsonb;
+
+COMMENT ON COLUMN gateway.identity_providers.config IS
+    'Kind-specific non-secret settings. SAML metadata URL, SP entity ID, ACS URL and attribute names live here.';