release: v0.5.0 - Authentication, API Keys & Advanced Features

Complete v0.5.0 implementation:

Database (@db-engineer):
- 3 migrations: users, api_keys, report_schedules tables
- Foreign keys, indexes, constraints, enums

Backend (@backend-dev):
- JWT authentication service with bcrypt (cost=12)
- Auth endpoints: /register, /login, /refresh, /me
- API Keys service with hash storage and prefix validation
- API Keys endpoints: CRUD + rotate
- Security module with JWT HS256

Frontend (@frontend-dev):
- Login/Register pages with validation
- AuthContext with localStorage persistence
- Protected routes implementation
- API Keys management UI (create, revoke, rotate)
- Header with user dropdown

DevOps (@devops-engineer):
- .env.example and .env.production.example
- docker-compose.scheduler.yml
- scripts/setup-secrets.sh
- INFRASTRUCTURE_SETUP.md

QA (@qa-engineer):
- 85 E2E tests: auth.spec.ts, apikeys.spec.ts, scenarios.spec.ts, regression-v050.spec.ts
- auth-helpers.ts with 20+ utility functions
- Test plans and documentation

Architecture (@spec-architect):
- SECURITY.md with best practices
- SECURITY-CHECKLIST.md pre-deployment
- Updated architecture.md with auth flows
- Updated README.md with v0.5.0 features

Documentation:
- Updated todo.md with v0.5.0 status
- Added docs/README.md index
- Complete setup instructions

Dependencies added:
- bcrypt, python-jose, passlib, email-validator

Tested: JWT auth flow, API keys CRUD, protected routes, 85 E2E tests ready

Closes: v0.5.0 milestone

alembic/versions/6512af98fb22_create_api_keys_table.py

@@ -0,0 +1,69 @@
+"""create api keys table
+
+Revision ID: 6512af98fb22
+Revises: 60582e23992d
+Create Date: 2026-04-07 14:01:00.000000
+
+"""
+
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+
+# revision identifiers, used by Alembic.
+revision: str = "6512af98fb22"
+down_revision: Union[str, Sequence[str], None] = "60582e23992d"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # Create api_keys table
+    op.create_table(
+        "api_keys",
+        sa.Column(
+            "id",
+            postgresql.UUID(as_uuid=True),
+            primary_key=True,
+            server_default=sa.text("uuid_generate_v4()"),
+        ),
+        sa.Column(
+            "user_id",
+            postgresql.UUID(as_uuid=True),
+            sa.ForeignKey("users.id", ondelete="CASCADE"),
+            nullable=False,
+        ),
+        sa.Column("key_hash", sa.String(255), nullable=False, unique=True),
+        sa.Column("key_prefix", sa.String(8), nullable=False),
+        sa.Column("name", sa.String(255), nullable=True),
+        sa.Column("scopes", postgresql.JSONB(), server_default="[]"),
+        sa.Column("last_used_at", sa.TIMESTAMP(timezone=True), nullable=True),
+        sa.Column("expires_at", sa.TIMESTAMP(timezone=True), nullable=True),
+        sa.Column(
+            "is_active", sa.Boolean(), nullable=False, server_default=sa.text("true")
+        ),
+        sa.Column(
+            "created_at",
+            sa.TIMESTAMP(timezone=True),
+            server_default=sa.text("NOW()"),
+            nullable=False,
+        ),
+    )
+
+    # Add indexes
+    op.create_index("idx_api_keys_key_hash", "api_keys", ["key_hash"], unique=True)
+    op.create_index("idx_api_keys_user_id", "api_keys", ["user_id"])
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # Drop indexes
+    op.drop_index("idx_api_keys_user_id", table_name="api_keys")
+    op.drop_index("idx_api_keys_key_hash", table_name="api_keys")
+
+    # Drop table
+    op.drop_table("api_keys")