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/** |
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* Deterministic instance ID resolver for inline components. |
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* |
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* The same componentType + props must produce the same instanceId in three |
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* render paths (live SSE, persisted history, pending_component re-injection) |
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* so the per-instance state in `useComponentStateStore` (resolved / |
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* superseded / submitted values) survives reload. |
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* |
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* Priority: explicit `instance_id` > `call_id` (per-tool-call unique) > |
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* `form_id` > derived key + props hash. call_id beats form_id because the |
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* brain reuses form_id values across distinct tool calls (e.g. two smart- |
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* forms with form_id "website-batch-1" in different turns), which would |
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* otherwise collide on submitted state. |
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*/ |
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|
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function stablePropsHash(props) { |
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try { |
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const str = JSON.stringify(props); |
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let hash = 5381; |
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for (let i = 0; i < str.length; i += 1) { |
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hash = ((hash << 5) + hash) + str.charCodeAt(i); |
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hash |= 0; // keep 32-bit |
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} |
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return Math.abs(hash).toString(36); |
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} catch { |
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return '0'; |
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} |
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} |
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|
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export function resolveComponentInstanceId(componentType, props = {}) { |
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if (props.instance_id) return props.instance_id; |
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if (props.call_id) return props.call_id; |
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if (props.form_id) return `${props.form_id}-${stablePropsHash(props)}`; |
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const derivedKey = props.brief?.business_name || props.title || props.action || 'default'; |
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return `${componentType}-${derivedKey}-${stablePropsHash(props)}`; |
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} |
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