diff --git a/drizzle/0008_workspace_id.sql b/drizzle/0008_workspace_id.sql
new file mode 100644
index 0000000..af22f3e
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+++ b/drizzle/0008_workspace_id.sql
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+-- Migration 0008: Register workspace_id columns added via direct SQL in CC-044
+-- These columns were added manually (ALTER TABLE). This migration records them for Drizzle tracking.
+-- All ALTER TABLE statements use IF NOT EXISTS for idempotency.
+
+ALTER TABLE "organizations" ADD COLUMN IF NOT EXISTS "workspace_id" uuid;
+ALTER TABLE "transactions" ADD COLUMN IF NOT EXISTS "workspace_id" uuid;
+ALTER TABLE "documents" ADD COLUMN IF NOT EXISTS "workspace_id" uuid;
+ALTER TABLE "tasks" ADD COLUMN IF NOT EXISTS "workspace_id" uuid;
+ALTER TABLE "goals" ADD COLUMN IF NOT EXISTS "workspace_id" uuid;
+ALTER TABLE "decisions" ADD COLUMN IF NOT EXISTS "workspace_id" uuid;
+ALTER TABLE "opportunities" ADD COLUMN IF NOT EXISTS "workspace_id" uuid;
+ALTER TABLE "observations" ADD COLUMN IF NOT EXISTS "workspace_id" uuid;
+ALTER TABLE "ai_requests" ADD COLUMN IF NOT EXISTS "workspace_id" uuid;
+ALTER TABLE "research_briefs" ADD COLUMN IF NOT EXISTS "workspace_id" uuid;
+ALTER TABLE "saved_segments" ADD COLUMN IF NOT EXISTS "workspace_id" uuid;
+
+-- Create indexes for workspace-scoped queries on high-traffic tables
+CREATE INDEX IF NOT EXISTS "organizations_workspace_idx" ON "organizations" ("workspace_id");
+CREATE INDEX IF NOT EXISTS "tasks_workspace_idx" ON "tasks" ("workspace_id");
+CREATE INDEX IF NOT EXISTS "goals_workspace_idx" ON "goals" ("workspace_id");
+CREATE INDEX IF NOT EXISTS "transactions_workspace_idx" ON "transactions" ("workspace_id");