trying to rework database migrations

migrations.old/20260122000001_pack_installation_metadata.sql

@@ -0,0 +1,59 @@
+-- Migration: Pack Installation Metadata
+-- Description: Tracks pack installation sources, checksums, and metadata
+-- Created: 2026-01-22
+
+-- Pack installation metadata table
+CREATE TABLE IF NOT EXISTS pack_installation (
+    id BIGSERIAL PRIMARY KEY,
+    pack_id BIGINT NOT NULL REFERENCES pack(id) ON DELETE CASCADE,
+
+    -- Installation source information
+    source_type VARCHAR(50) NOT NULL CHECK (source_type IN ('git', 'archive', 'local_directory', 'local_archive', 'registry')),
+    source_url TEXT,
+    source_ref TEXT,  -- git ref (branch/tag/commit) or registry version
+
+    -- Verification
+    checksum VARCHAR(64),  -- SHA256 checksum of installed pack
+    checksum_verified BOOLEAN DEFAULT FALSE,
+
+    -- Installation metadata
+    installed_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    installed_by BIGINT REFERENCES identity(id) ON DELETE SET NULL,
+    installation_method VARCHAR(50) DEFAULT 'manual' CHECK (installation_method IN ('manual', 'api', 'cli', 'auto')),
+
+    -- Storage information
+    storage_path TEXT NOT NULL,
+
+    -- Additional metadata
+    meta JSONB DEFAULT '{}'::jsonb,
+
+    created TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+    updated TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+
+    -- Constraints
+    CONSTRAINT pack_installation_unique_pack UNIQUE (pack_id)
+);
+
+-- Indexes
+CREATE INDEX idx_pack_installation_pack_id ON pack_installation(pack_id);
+CREATE INDEX idx_pack_installation_source_type ON pack_installation(source_type);
+CREATE INDEX idx_pack_installation_installed_at ON pack_installation(installed_at);
+CREATE INDEX idx_pack_installation_installed_by ON pack_installation(installed_by);
+
+-- Trigger for updated timestamp
+CREATE TRIGGER pack_installation_updated_trigger
+    BEFORE UPDATE ON pack_installation
+    FOR EACH ROW
+    EXECUTE FUNCTION update_updated_column();
+
+-- Comments
+COMMENT ON TABLE pack_installation IS 'Tracks pack installation metadata including source, checksum, and storage location';
+COMMENT ON COLUMN pack_installation.source_type IS 'Type of installation source (git, archive, local_directory, local_archive, registry)';
+COMMENT ON COLUMN pack_installation.source_url IS 'URL or path of the installation source';
+COMMENT ON COLUMN pack_installation.source_ref IS 'Git reference (branch/tag/commit) or registry version';
+COMMENT ON COLUMN pack_installation.checksum IS 'SHA256 checksum of the installed pack contents';
+COMMENT ON COLUMN pack_installation.checksum_verified IS 'Whether the checksum was verified during installation';
+COMMENT ON COLUMN pack_installation.installed_by IS 'Identity that installed the pack';
+COMMENT ON COLUMN pack_installation.installation_method IS 'Method used to install (manual, api, cli, auto)';
+COMMENT ON COLUMN pack_installation.storage_path IS 'File system path where pack is stored';
+COMMENT ON COLUMN pack_installation.meta IS 'Additional installation metadata (dependencies resolved, warnings, etc.)';