Purpose

Write knowledge content to a bucket file and automatically update the topics.md knowledge index.

Input

• bucket : pm | architect | dev | qa

• file : filename within the bucket

• --topic : topic name for topics.md index

• --summary : one-line description for topics.md

• --anchor (optional): anchor tag for topics.md reference

• --mode (optional): append (default) or overwrite

• Content via stdin

Required Flow

memory-hub write <bucket> <file>
--topic <name> --summary "<description>"
[--anchor <anchor>] [--mode append|overwrite] <<'EOF' <markdown content> EOF

Output

JSON envelope with data.bytes_written and write metadata.

Error Handling

• INVALID_BUCKET → invalid bucket name

• NO_INPUT → no stdin content provided

• EMPTY_CONTENT → stdin content is empty