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A lexicon-driven AppView for ATProto.
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859-- Trigger-keyed scripts subsystem.---- Each row's `id` IS the trigger string the dispatcher resolves on:-- record.index:<nsid> — wildcard for any record event-- record.create:<nsid> — specifically a create event (cascades to wildcard)-- record.update:<nsid> — specifically an update event-- record.delete:<nsid> — specifically a delete event-- xrpc.query:<nsid> — XRPC query handler-- xrpc.procedure:<nsid> — XRPC procedure handler-- labeler.apply:<nsid> — label arrives whose subject is at://<did>/<nsid>/<rkey>-- labeler.apply:_actor — label arrives whose subject is a bare DID---- Cascade rule (record events ONLY): the dispatcher tries-- `record.<action>:<nsid>` first, falls back to `record.index:<nsid>` if no-- specific row exists. No cascade for XRPC or labeler triggers — those-- resolve directly. Operators express per-action surgical control by-- creating action-specific rows; the wildcard `record.index:<nsid>` covers-- "one body for everything" with branching on `event.action`.CREATE TABLE scripts ( id TEXT PRIMARY KEY, body TEXT NOT NULL, description TEXT, script_type TEXT NOT NULL DEFAULT 'lua', created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(), updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW());
-- Permanently-failed runs from the firehose-driven runners (record / label-- events). XRPC scripts fail-closed and never land here.CREATE TABLE dead_letter_scripts ( id BIGSERIAL PRIMARY KEY, script_ref TEXT NOT NULL, -- = the trigger id whose script failed host_kind TEXT NOT NULL, -- 'record' | 'label' host_id TEXT NOT NULL, -- e.g. '<nsid>:<action>' for record, '<labeler-did>' for label payload JSONB NOT NULL, -- event payload for re-run error TEXT NOT NULL, attempts INT NOT NULL DEFAULT 0, created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(), resolved_at TIMESTAMPTZ);
CREATE INDEX idx_dead_letter_scripts_host ON dead_letter_scripts (host_kind, host_id, created_at DESC);CREATE INDEX idx_dead_letter_scripts_resolved_at ON dead_letter_scripts (resolved_at);
-- Permissions: management for users who can manage lexicons; read for those who can read.INSERT INTO user_permissions (user_id, permission)SELECT user_id, 'scripts:manage' FROM user_permissions WHERE permission = 'lexicons:create'ON CONFLICT (user_id, permission) DO NOTHING;
INSERT INTO user_permissions (user_id, permission)SELECT user_id, 'scripts:read' FROM user_permissions WHERE permission = 'lexicons:read'ON CONFLICT (user_id, permission) DO NOTHING;