backend/migrations/088_channel_billing_model_source_channel_mapped.sql

-- Change default billing_model_source for new channels to 'channel_mapped'
-- Existing channels keep their current setting (no UPDATE on existing rows)
ALTER TABLE channels ALTER COLUMN billing_model_source SET DEFAULT 'channel_mapped';
feat: image output token billing, channel-mapped billing source, credits balance precheck - Parse candidatesTokensDetails from Gemini API to separate image/text output tokens - Add image_output_tokens and image_output_cost to usage_log (migration 089) - Support per-image-token pricing via output_cost_per_image_token from model pricing data - Channel pricing ImageOutputPrice override works in token billing mode - Auto-fill image_output_price in channel pricing form from model defaults - Add "channel_mapped" billing model source as new default (migration 088) - Bills by model name after channel mapping, before account mapping - Fix channel cache error TTL sign error (115s → 5s) - Fix Update channel only invalidating new groups, not removed groups - Fix frontend model_mapping clearing sending undefined instead of {} - Credits balance precheck via shared AccountUsageService cache before injection - Skip credits injection for accounts with insufficient balance - Don't mark credits exhausted for "exhausted your capacity on this model" 429s 2026-04-01 15:08:57 +08:00			`-- Change default billing_model_source for new channels to 'channel_mapped'`
			`-- Existing channels keep their current setting (no UPDATE on existing rows)`
			`ALTER TABLE channels ALTER COLUMN billing_model_source SET DEFAULT 'channel_mapped';`