78 lines
3.2 KiB
SQL
78 lines
3.2 KiB
SQL
-- 026_tasks.sql — Task scheduling for autonomous agents (v0.27.1)
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-- Extend channel type to include 'service' (no human participants)
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ALTER TABLE channels DROP CONSTRAINT IF EXISTS channels_type_check;
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ALTER TABLE channels ADD CONSTRAINT channels_type_check
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CHECK (type IN ('direct', 'dm', 'group', 'channel', 'workflow', 'service'));
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-- Task definitions
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CREATE TABLE IF NOT EXISTS tasks (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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owner_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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team_id UUID REFERENCES teams(id) ON DELETE SET NULL,
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name TEXT NOT NULL,
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description TEXT DEFAULT '',
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scope TEXT NOT NULL DEFAULT 'personal'
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CHECK (scope IN ('personal', 'team', 'global')),
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-- What to run
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task_type TEXT NOT NULL DEFAULT 'prompt'
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CHECK (task_type IN ('prompt', 'workflow')),
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persona_id UUID REFERENCES personas(id) ON DELETE SET NULL,
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model_id TEXT,
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system_prompt TEXT DEFAULT '',
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user_prompt TEXT DEFAULT '',
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workflow_id UUID REFERENCES workflows(id) ON DELETE SET NULL,
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tool_grants JSONB,
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-- Schedule
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schedule TEXT NOT NULL,
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timezone TEXT NOT NULL DEFAULT 'UTC',
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is_active BOOLEAN NOT NULL DEFAULT true,
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-- Execution policy
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max_tokens INTEGER NOT NULL DEFAULT 4096,
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max_tool_calls INTEGER NOT NULL DEFAULT 10,
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max_wall_clock INTEGER NOT NULL DEFAULT 300,
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output_mode TEXT NOT NULL DEFAULT 'channel'
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CHECK (output_mode IN ('channel', 'note', 'webhook')),
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output_channel_id UUID REFERENCES channels(id) ON DELETE SET NULL,
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webhook_url TEXT,
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-- Provider routing
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provider_config_id UUID REFERENCES provider_configs(id) ON DELETE SET NULL,
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-- Notifications
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notify_on_complete BOOLEAN NOT NULL DEFAULT false,
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notify_on_failure BOOLEAN NOT NULL DEFAULT true,
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-- Bookkeeping
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last_run_at TIMESTAMPTZ,
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next_run_at TIMESTAMPTZ,
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run_count INTEGER NOT NULL DEFAULT 0,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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CREATE INDEX IF NOT EXISTS idx_tasks_next_run ON tasks (next_run_at) WHERE is_active = true;
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CREATE INDEX IF NOT EXISTS idx_tasks_owner ON tasks (owner_id);
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CREATE INDEX IF NOT EXISTS idx_tasks_team ON tasks (team_id);
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-- Task run history
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CREATE TABLE IF NOT EXISTS task_runs (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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task_id UUID NOT NULL REFERENCES tasks(id) ON DELETE CASCADE,
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channel_id UUID REFERENCES channels(id) ON DELETE SET NULL,
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status TEXT NOT NULL DEFAULT 'running'
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CHECK (status IN ('running', 'completed', 'failed', 'budget_exceeded', 'cancelled')),
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started_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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completed_at TIMESTAMPTZ,
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tokens_used INTEGER DEFAULT 0,
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tool_calls INTEGER DEFAULT 0,
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wall_clock INTEGER DEFAULT 0,
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error TEXT
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);
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CREATE INDEX IF NOT EXISTS idx_task_runs_task ON task_runs (task_id);
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CREATE INDEX IF NOT EXISTS idx_task_runs_status ON task_runs (task_id, status);
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