0003_wire_and_identities.py
python
| 1 | """Wire protocol support + unified identities table. |
| 2 | |
| 3 | Revision ID: 0003 |
| 4 | Revises: 0002 |
| 5 | Create Date: 2026-03-19 |
| 6 | |
| 7 | Changes: |
| 8 | NEW TABLES |
| 9 | - musehub_snapshots: Immutable file-tree manifests (path → object_id JSON) |
| 10 | - musehub_identities: Unified identity table for humans, agents, and orgs |
| 11 | |
| 12 | MUSEHUB_COMMITS |
| 13 | - ADD commit_meta JSON (stores rich Muse-native fields: sem_ver_bump, |
| 14 | structured_delta, breaking_changes, agent_id, model_id, etc.) |
| 15 | |
| 16 | MUSEHUB_OBJECTS |
| 17 | - ADD storage_uri (storage backend URI: "local://..." | "s3://...") |
| 18 | |
| 19 | MUSEHUB_REPOS |
| 20 | - ADD default_branch VARCHAR(255) DEFAULT 'main' |
| 21 | - ADD pushed_at TIMESTAMP WITH TIME ZONE (last push time for trending sort) |
| 22 | """ |
| 23 | import sqlalchemy as sa |
| 24 | from alembic import op |
| 25 | |
| 26 | |
| 27 | revision = "0003" |
| 28 | down_revision = "0002" |
| 29 | branch_labels = None |
| 30 | depends_on = None |
| 31 | |
| 32 | |
| 33 | def upgrade() -> None: |
| 34 | # ── musehub_snapshots ──────────────────────────────────────────────────── |
| 35 | op.create_table( |
| 36 | "musehub_snapshots", |
| 37 | sa.Column("snapshot_id", sa.String(128), primary_key=True), |
| 38 | sa.Column( |
| 39 | "repo_id", |
| 40 | sa.String(36), |
| 41 | sa.ForeignKey("musehub_repos.repo_id", ondelete="CASCADE"), |
| 42 | nullable=False, |
| 43 | ), |
| 44 | sa.Column("manifest", sa.JSON(), nullable=False, server_default="{}"), |
| 45 | sa.Column( |
| 46 | "created_at", |
| 47 | sa.DateTime(timezone=True), |
| 48 | nullable=False, |
| 49 | server_default=sa.text("NOW()"), |
| 50 | ), |
| 51 | ) |
| 52 | op.create_index( |
| 53 | "ix_musehub_snapshots_repo_id", |
| 54 | "musehub_snapshots", |
| 55 | ["repo_id"], |
| 56 | ) |
| 57 | |
| 58 | # ── musehub_identities ─────────────────────────────────────────────────── |
| 59 | op.create_table( |
| 60 | "musehub_identities", |
| 61 | sa.Column("id", sa.String(36), primary_key=True), |
| 62 | sa.Column("handle", sa.String(64), nullable=False), |
| 63 | sa.Column("identity_type", sa.String(16), nullable=False, server_default="human"), |
| 64 | sa.Column("display_name", sa.String(255), nullable=True), |
| 65 | sa.Column("bio", sa.Text(), nullable=True), |
| 66 | sa.Column("avatar_url", sa.String(2048), nullable=True), |
| 67 | sa.Column("website_url", sa.String(2048), nullable=True), |
| 68 | sa.Column("email", sa.String(255), nullable=True), |
| 69 | sa.Column("agent_model", sa.String(255), nullable=True), |
| 70 | sa.Column("agent_capabilities", sa.JSON(), nullable=False, server_default="[]"), |
| 71 | sa.Column("legacy_user_id", sa.String(36), nullable=True), |
| 72 | sa.Column( |
| 73 | "created_at", |
| 74 | sa.DateTime(timezone=True), |
| 75 | nullable=False, |
| 76 | server_default=sa.text("NOW()"), |
| 77 | ), |
| 78 | sa.Column( |
| 79 | "updated_at", |
| 80 | sa.DateTime(timezone=True), |
| 81 | nullable=False, |
| 82 | server_default=sa.text("NOW()"), |
| 83 | ), |
| 84 | sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=True), |
| 85 | ) |
| 86 | op.create_index("ix_musehub_identities_handle", "musehub_identities", ["handle"]) |
| 87 | op.create_index("ix_musehub_identities_email", "musehub_identities", ["email"]) |
| 88 | op.create_index("ix_musehub_identities_legacy_user_id", "musehub_identities", ["legacy_user_id"]) |
| 89 | op.create_unique_constraint( |
| 90 | "uq_musehub_identities_handle", "musehub_identities", ["handle"] |
| 91 | ) |
| 92 | |
| 93 | # ── musehub_commits — add commit_meta ──────────────────────────────────── |
| 94 | op.add_column( |
| 95 | "musehub_commits", |
| 96 | sa.Column("commit_meta", sa.JSON(), nullable=False, server_default="{}"), |
| 97 | ) |
| 98 | |
| 99 | # ── musehub_objects — add storage_uri ──────────────────────────────────── |
| 100 | op.add_column( |
| 101 | "musehub_objects", |
| 102 | sa.Column("storage_uri", sa.String(2048), nullable=True), |
| 103 | ) |
| 104 | |
| 105 | # ── musehub_repos — add default_branch + pushed_at ─────────────────────── |
| 106 | op.add_column( |
| 107 | "musehub_repos", |
| 108 | sa.Column( |
| 109 | "default_branch", |
| 110 | sa.String(255), |
| 111 | nullable=False, |
| 112 | server_default="main", |
| 113 | ), |
| 114 | ) |
| 115 | op.add_column( |
| 116 | "musehub_repos", |
| 117 | sa.Column("pushed_at", sa.DateTime(timezone=True), nullable=True), |
| 118 | ) |
| 119 | |
| 120 | |
| 121 | def downgrade() -> None: |
| 122 | op.drop_column("musehub_repos", "pushed_at") |
| 123 | op.drop_column("musehub_repos", "default_branch") |
| 124 | op.drop_column("musehub_objects", "storage_uri") |
| 125 | op.drop_column("musehub_commits", "commit_meta") |
| 126 | op.drop_table("musehub_identities") |
| 127 | op.drop_table("musehub_snapshots") |