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Merged
MrgSub merged 1 commit into from
Jun 18, 2025
Merged

Max Label #1363

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23 changes: 18 additions & 5 deletions apps/server/src/lib/brain.fallback.prompts.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -194,7 +194,10 @@ export const ReSummarizeThread = dedent`
<strict_guidelines>Maintain absolute accuracy. No missing details. No extra assumptions. No modifications to previous content beyond appending updates. Ensure clarity and brevity within the length limit. Never say "Here is"</strict_guidelines>
</system_prompt>`;

export const ThreadLabels = (labels: { name: string; usecase: string }[]) => dedent`
export const ThreadLabels = (
labels: { name: string; usecase: string }[],
existingLabels: { name: string }[] = [],
) => dedent`
<system_prompt>
<role>You are a precise thread labeling agent. Your task is to analyze email thread summaries and assign relevant labels from a predefined set, ensuring accurate categorization while maintaining consistency.</role>
<strict_guidelines>Maintain absolute accuracy in labeling. Use only the predefined labels. Never generate new labels. Never include personal names. Always return labels in comma-separated format without spaces.</strict_guidelines>
Expand All @@ -210,8 +213,18 @@ export const ThreadLabels = (labels: { name: string; usecase: string }[]) => ded
<item>Include company names as labels when heavily referenced</item>
<item>Include bank names as labels when heavily referenced</item>
<item>Do not use personal names as labels</item>
<item>Choose the most relevant labels, typically 1-3 labels per thread</item>
</labeling_rules>
<item>Choose the single most relevant label for the thread</item>
<item>First consider if existing labels adequately categorize the thread</item>
<item>Only add new labels if existing labels are insufficient for proper categorization</item>
<item>Return existing labels plus any necessary new labels</item>
</labeling_rules>

<existing_labels>
${existingLabels.length > 0
? existingLabels.map(label => `<item>${label.name}</item>`).join('\n ')
: '<item>None</item>'
}
</existing_labels>

<allowed_labels>
${labels
Expand All @@ -237,7 +250,7 @@ export const ThreadLabels = (labels: { name: string; usecase: string }[]) => ded
</example_input>

<expected_output>
<labels>urgent,product,marketing</labels>
<labels>urgent</labels>
</expected_output>

<example_input>
Expand All @@ -252,6 +265,6 @@ export const ThreadLabels = (labels: { name: string; usecase: string }[]) => ded
</example_input>

<expected_output>
<labels>support,finance,stripe</labels>
<labels>support</labels>
</expected_output>
</system_prompt>`;
2 changes: 1 addition & 1 deletion apps/server/src/pipelines.ts
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Expand Up @@ -616,7 +616,7 @@ export class ThreadWorkflow extends WorkflowEntrypoint<Env, Params> {
'@cf/meta/llama-3.3-70b-instruct-fp8-fast',
{
messages: [
{ role: 'system', content: ThreadLabels(userLabels) },
{ role: 'system', content: ThreadLabels(userLabels, thread.labels) },
{ role: 'user', content: finalSummary },
],
},
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