[アップデート] Amazon Q Developer で実験的な機能を有効化するための「/experiment」スラッシュコマンドが追加されていたので使ってみた

> /help

q (Amazon Q Chat)

Usage: /<COMMAND>

Commands:
  quit        Quit the application
  clear       Clear the conversation history
  agent       Manage agents
  context     Manage context files for the chat session
  editor      Open $EDITOR (defaults to vi) to compose a prompt
  reply       Open $EDITOR with the most recent assistant message quoted for reply
  compact     Summarize the conversation to free up context space
  tools       View tools and permissions
  issue       Create a new Github issue or make a feature request
  changelog   View changelog for Amazon Q CLI
  prompts     View and retrieve prompts
  hooks       View context hooks
  usage       Show current session's context window usage
  mcp         See mcp server loaded
  model       Select a model for the current conversation session
  experiment  Toggle experimental features
  subscribe   Upgrade to a Q Developer Pro subscription for increased query limits
  save        Save the current conversation
  load        Load a previous conversation
  todos       View, manage, and resume to-do lists
  help        Print this message or the help of the given subcommand(s)

:

> /experiment

⚠ Experimental features may be changed or removed at any time

? Select an experiment to toggle ›
❯ Knowledge                 [OFF] Enables persistent context storage and retrieval across chat sessions (/knowledge)
  Thinking                  [OFF] Enables complex reasoning with step-by-step thought processes
  Tangent Mode              [OFF] Enables entering into a temporary mode for sending isolated conversations (/tangent)
  Todo Lists                [OFF] Enables Q to create todo lists that can be viewed and managed using /todos
  Checkpoint                [OFF] Enables workspace checkpoints to snapshot, list, expand, diff, and restore files (/checkpoint)
                                  Note: Cannot be used in tangent mode (to avoid mixing up conversation history)
  Context Usage Indicator   [OFF] Shows context usage percentage in the prompt (e.g., [rust-agent] 6% >)

> /knowledge show


Knowledge tool is disabled. Enable it with: q settings chat.enableKnowledge true
💡 Your knowledge base data is preserved and will be available when re-enabled.

> /experiment

 Knowledge experiment enabled

> /knowledge

(Beta) Manage knowledge base for persistent context storage. Requires "q settings chat.enableKnowledge true"

Usage: /knowledge <COMMAND>

Commands:
  show    Display the knowledge base contents
  add     Add a file or directory to knowledge base
  remove  Remove specified knowledge base entry by path
  update  Update a file or directory in knowledge base
  clear   Remove all knowledge base entries
  status  Show background operation status
  cancel  Cancel a background operation
  help    Print this message or the help of the given subcommand(s)

Options:
  -h, --help  Print help

> /knowledge add docs/src


🚀 Started indexing 'docs/src'
📁 Path: /Users/iwasa.takahito/work/hoge1001qdev/docs/src
🆔 Operation ID: fc5fe470
> 

> /knowledge status


📚 Total knowledge base entries: 0 (0 persistent, 0 volatile)
📊 Active Operations:
  📈 Queue Status: 1 active, 0 waiting (max 3 concurrent)
  🔄 fc5fe470 | Indexing 'docs/src'
    ██▓░░░░░░░░░░░░░░░░░░░░░░░░░░░ 7% (730/9291) Generating embeddings (730/9291) | Elapsed: 39s | ETA: 456s


> /knowledge status


📚 Total knowledge base entries: 0 (0 persistent, 0 volatile)
📊 Active Operations:
  📈 Queue Status: 1 active, 0 waiting (max 3 concurrent)
  🔄 fc5fe470 | Indexing 'docs/src'
    ███▓░░░░░░░░░░░░░░░░░░░░░░░░░░ 11% (1100/9291) Generating embeddings (1100/9291) | Elapsed: 58s | ETA: 438s

> /knowledge show

👤 Agent (q_cli_default):
    <none>

> /knowledge status


📚 Total knowledge base entries: 1 (1 persistent, 0 volatile)
✅ No active operations


> /knowledge show

👤 Agent (q_cli_default):
    📂 docs/src (09692fd0)
       Knowledge context for docs/src
       3198 items • Best • 09/30 20:56