WeKnora deployment source with the reviewed wiki identity, summary and recovery fixes

migrations/versioned/000001_agent.down.sql

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+BEGIN;
+
+DROP INDEX IF EXISTS idx_knowledges_summary_status;
+ALTER TABLE knowledges DROP COLUMN IF EXISTS summary_status;
+
+ALTER TABLE knowledge_bases 
+DROP COLUMN IF EXISTS question_generation_config;
+
+ALTER TABLE users
+    DROP COLUMN IF EXISTS can_access_all_tenants;
+
+ALTER TABLE knowledge_bases
+    ADD COLUMN IF NOT EXISTS rerank_model_id VARCHAR(64);
+
+UPDATE models m
+JOIN knowledges k ON m.id = k.id
+SET m.tenant_id = 0
+WHERE m.tenant_id = k.tenant_id;
+
+-- Drop index on content_hash
+DROP INDEX IF EXISTS idx_chunks_content_hash;
+
+-- Drop content_hash column
+ALTER TABLE chunks
+    DROP COLUMN IF EXISTS content_hash;
+
+-- Drop status column
+ALTER TABLE chunks
+    DROP COLUMN IF EXISTS status;
+
+-- Drop indexes and columns referencing tags
+DROP INDEX IF EXISTS idx_chunks_tag;
+ALTER TABLE chunks DROP COLUMN IF EXISTS tag_id;
+
+DROP INDEX IF EXISTS idx_knowledges_tag;
+ALTER TABLE knowledges DROP COLUMN IF EXISTS tag_id;
+
+-- Drop tag table
+DROP INDEX IF EXISTS idx_knowledge_tags_kb_name;
+DROP INDEX IF EXISTS idx_knowledge_tags_kb;
+DROP TABLE IF EXISTS knowledge_tags;
+
+ALTER TABLE chunks
+  DROP COLUMN IF EXISTS metadata;
+
+ALTER TABLE knowledge_bases
+  DROP COLUMN IF EXISTS faq_config,
+  DROP COLUMN IF EXISTS type;
+
+-- Drop index
+DROP INDEX IF EXISTS idx_models_is_builtin;
+
+-- Remove is_builtin column
+ALTER TABLE models 
+DROP COLUMN IF EXISTS is_builtin;
+
+-- Remove check constraint
+ALTER TABLE mcp_services
+DROP CONSTRAINT IF EXISTS chk_mcp_transport_config;
+
+-- Make url column required again
+ALTER TABLE mcp_services 
+ALTER COLUMN url SET NOT NULL;
+
+-- Remove stdio_config and env_vars columns
+ALTER TABLE mcp_services 
+DROP COLUMN IF EXISTS env_vars,
+DROP COLUMN IF EXISTS stdio_config;
+
+-- Remove web_search_config column
+ALTER TABLE tenants 
+DROP COLUMN IF EXISTS web_search_config;
+
+-- Drop trigger
+DROP TRIGGER IF EXISTS trigger_mcp_services_updated_at ON mcp_services;
+
+-- Drop function
+DROP FUNCTION IF EXISTS update_mcp_services_updated_at();
+
+-- Drop indexes
+DROP INDEX IF EXISTS idx_mcp_services_tenant_id;
+DROP INDEX IF EXISTS idx_mcp_services_enabled;
+DROP INDEX IF EXISTS idx_mcp_services_deleted_at;
+
+-- Drop table
+DROP TABLE IF EXISTS mcp_services;
+
+-- This migration performs a data cleanup (soft delete) which is not safely reversible.
+-- Down migration is a no-op.
+
+-- Drop foreign key constraints first
+ALTER TABLE auth_tokens DROP CONSTRAINT IF EXISTS fk_auth_tokens_user;
+ALTER TABLE users DROP CONSTRAINT IF EXISTS fk_users_tenant;
+
+-- Drop tables
+DROP TABLE IF EXISTS auth_tokens;
+DROP TABLE IF EXISTS users;
+
+-- Drop is_temporary column from knowledge_bases
+ALTER TABLE knowledge_bases
+    DROP COLUMN IF EXISTS is_temporary;
+
+-- Drop context_config column from tenants
+ALTER TABLE tenants
+    DROP COLUMN IF EXISTS context_config;
+
+-- Drop conversation_config column from tenants
+ALTER TABLE tenants
+    DROP COLUMN IF EXISTS conversation_config;
+
+-- Drop JSONB indexes if they exist
+DROP INDEX IF EXISTS idx_messages_agent_steps;
+DROP INDEX IF EXISTS idx_sessions_context_config;
+DROP INDEX IF EXISTS idx_sessions_agent_config;
+DROP INDEX IF EXISTS idx_tenants_agent_config;
+
+-- Drop columns if they exist
+ALTER TABLE messages
+    DROP COLUMN IF EXISTS agent_steps;
+
+ALTER TABLE sessions
+    DROP COLUMN IF EXISTS context_config;
+
+ALTER TABLE sessions
+    DROP COLUMN IF EXISTS agent_config;
+
+ALTER TABLE tenants
+    DROP COLUMN IF EXISTS agent_config;
+
+COMMIT;