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Updates an existing memory entry. Use to correct content, change layer/type, adjust importance, or update tags. Prefer this over delete + add to preserve the memory ID.

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Parameters

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id
string
required
Memory ID to update.
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content
string
New content text. Only provide if changing the content. Triggers embedding regeneration.
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layer
string
New layer: rule, working, or long_term. Use to promote (e.g., working → long_term) or change priority.
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type
string
New type classification: rule, decision, fact, note, or skill.
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importance
number
Importance score (0.0-1.0). Higher values decay slower and rank higher in search.
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tags
string[]
New tags (replaces existing tags entirely).

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Embedding Regeneration

When content is updated, Cohaku automatically:
  1. Generates a new embedding from the updated content
  2. Replaces the old vector in vec_memories
This ensures search results always match the current content.