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45 lines
1.6 KiB
Markdown
45 lines
1.6 KiB
Markdown
---
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# claudbg-pfa5
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title: JSON output is array-of-arrays instead of array-of-objects
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status: completed
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type: bug
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priority: normal
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created_at: 2026-03-30T04:37:05Z
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updated_at: 2026-03-30T05:05:12Z
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parent: claudbg-tci9
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---
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## Problem
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`sessions list --output json` and `sessions dump --output json` serialize rows as `Vec<Vec<String>>`, producing an array of arrays with no field names:
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```json
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[["21fae0a8", "2024-01-01", "/path", "claude-3", "42"], ...]
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```
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## Expected behavior
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Output should be an array of objects with named keys:
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```json
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[{"id": "21fae0a8", "date": "2024-01-01", "project": "/path", "model": "claude-3", "messages": 42, "subagents": 0}, ...]
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```
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## Affected commands
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- `sessions list --output json`: keys should be `id`, `date`, `project`, `model`, `messages`, `subagents`
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- `sessions dump --output json`: keys should be `seq`, `timestamp`, `type`, `role`, `content`
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## Root cause
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`src/commands/sessions.rs` passes `&rows: &Vec<Vec<String>>` directly to `render_json`. The fix is to build a typed struct or `serde_json::Value` map per row before serializing.
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## Relevant files
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- `src/commands/sessions.rs` — `list()` and `dump()` JSON output branches
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- `src/output/json.rs` — generic `render_json`
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## Summary of Changes
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Fixed JSON output in both sessions.rs and agents.rs to produce array-of-objects instead of array-of-arrays. Each row is now mapped to a serde_json object with named keys before serializing. Keys: sessions list (id, date, project, model, messages, subagents), sessions dump (seq, timestamp, type, role, content), agents list (id, type, file, modified), agents dump (seq, timestamp, type, role, content).
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