Changeset 0.26.0 (#165)

server/database/migrations/sqlite/023_workflows.sql

@@ -0,0 +1,56 @@
+-- 023_workflows.sql (SQLite)
+-- Workflow definitions, stages, and version snapshots (v0.26.1)
+
+CREATE TABLE IF NOT EXISTS workflows (
+    id           TEXT PRIMARY KEY,
+    team_id      TEXT REFERENCES teams(id) ON DELETE CASCADE,
+    name         TEXT NOT NULL,
+    slug         TEXT NOT NULL,
+    description  TEXT NOT NULL DEFAULT '',
+    branding     TEXT NOT NULL DEFAULT '{}',
+    entry_mode   TEXT NOT NULL DEFAULT 'public_link'
+                     CHECK (entry_mode IN ('public_link', 'team_only')),
+    is_active    INTEGER NOT NULL DEFAULT 0,
+    version      INTEGER NOT NULL DEFAULT 1,
+    on_complete  TEXT,
+    retention    TEXT NOT NULL DEFAULT '{"mode": "archive"}',
+    created_by   TEXT NOT NULL REFERENCES users(id),
+    created_at   DATETIME NOT NULL DEFAULT (datetime('now')),
+    updated_at   DATETIME NOT NULL DEFAULT (datetime('now'))
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS idx_workflows_team_slug
+    ON workflows(team_id, slug) WHERE team_id IS NOT NULL;
+CREATE UNIQUE INDEX IF NOT EXISTS idx_workflows_global_slug
+    ON workflows(slug) WHERE team_id IS NULL;
+
+CREATE TABLE IF NOT EXISTS workflow_stages (
+    id                 TEXT PRIMARY KEY,
+    workflow_id        TEXT NOT NULL REFERENCES workflows(id) ON DELETE CASCADE,
+    ordinal            INTEGER NOT NULL,
+    name               TEXT NOT NULL,
+    persona_id         TEXT REFERENCES personas(id) ON DELETE SET NULL,
+    assignment_team_id TEXT REFERENCES teams(id) ON DELETE SET NULL,
+    form_template      TEXT NOT NULL DEFAULT '{}',
+    history_mode       TEXT NOT NULL DEFAULT 'full'
+                           CHECK (history_mode IN ('full', 'summary', 'fresh')),
+    auto_transition    INTEGER NOT NULL DEFAULT 0,
+    transition_rules   TEXT NOT NULL DEFAULT '{}',
+    created_at         DATETIME NOT NULL DEFAULT (datetime('now'))
+);
+
+CREATE INDEX IF NOT EXISTS idx_workflow_stages_workflow
+    ON workflow_stages(workflow_id, ordinal);
+
+CREATE TABLE IF NOT EXISTS workflow_versions (
+    id              TEXT PRIMARY KEY,
+    workflow_id     TEXT NOT NULL REFERENCES workflows(id) ON DELETE CASCADE,
+    version_number  INTEGER NOT NULL,
+    snapshot        TEXT NOT NULL,
+    created_at      DATETIME NOT NULL DEFAULT (datetime('now')),
+
+    UNIQUE (workflow_id, version_number)
+);
+
+CREATE INDEX IF NOT EXISTS idx_workflow_versions_workflow
+    ON workflow_versions(workflow_id, version_number);

server/database/migrations/sqlite/024_workflow_instances.sql

@@ -0,0 +1,13 @@
+-- 024_workflow_instances.sql (SQLite)
+-- Workflow instance columns on channels (v0.26.2)
+
+ALTER TABLE channels ADD COLUMN workflow_id      TEXT REFERENCES workflows(id) ON DELETE SET NULL;
+ALTER TABLE channels ADD COLUMN workflow_version INTEGER;
+ALTER TABLE channels ADD COLUMN current_stage    INTEGER DEFAULT 0;
+ALTER TABLE channels ADD COLUMN stage_data       TEXT DEFAULT '{}';
+ALTER TABLE channels ADD COLUMN workflow_status  TEXT DEFAULT 'active'
+    CHECK (workflow_status IN ('active', 'completed', 'stale', 'cancelled'));
+ALTER TABLE channels ADD COLUMN last_activity_at DATETIME DEFAULT (datetime('now'));
+
+CREATE INDEX IF NOT EXISTS idx_channels_workflow
+    ON channels(workflow_id) WHERE workflow_id IS NOT NULL;

server/database/migrations/sqlite/025_workflow_assignments.sql

@@ -0,0 +1,21 @@
+-- 025_workflow_assignments.sql (SQLite)
+-- Assignment queue for workflow stages (v0.26.4)
+
+CREATE TABLE IF NOT EXISTS workflow_assignments (
+    id           TEXT PRIMARY KEY,
+    channel_id   TEXT NOT NULL REFERENCES channels(id) ON DELETE CASCADE,
+    stage        INTEGER NOT NULL,
+    team_id      TEXT NOT NULL REFERENCES teams(id) ON DELETE CASCADE,
+    assigned_to  TEXT REFERENCES users(id) ON DELETE SET NULL,
+    status       TEXT NOT NULL DEFAULT 'unassigned'
+                     CHECK (status IN ('unassigned', 'claimed', 'completed')),
+    created_at   DATETIME NOT NULL DEFAULT (datetime('now')),
+    claimed_at   DATETIME,
+    completed_at DATETIME
+);
+
+CREATE INDEX IF NOT EXISTS idx_workflow_assignments_channel
+    ON workflow_assignments(channel_id, stage);
+
+CREATE INDEX IF NOT EXISTS idx_workflow_assignments_team_status
+    ON workflow_assignments(team_id, status);