im +flag-create

Prerequisite: Read ../lark-shared/SKILL.md for authentication, global parameters, and security rules.

This skill maps to shortcut: lark-cli im +flag-create. Underlying API: POST /open-apis/im/v1/flags.

Default Behavior

Message-layer flag (default): item_type=default, flag_type=message
Feed-layer flag: Use --flag-type feed — automatically detects chat type to determine item_type:
- Topic-style chat (chat_mode=topic) → item_type=thread
- Regular chat (chat_mode=group) → item_type=msg_thread

Commands

# Flag a message (default: message-layer)
lark-cli im +flag-create --as user --message-id om_xxx

# Create feed-layer flag (auto-detects chat type)
lark-cli im +flag-create --as user --message-id om_xxx --flag-type feed

# Explicit item-type override (rarely needed)
lark-cli im +flag-create --as user --message-id om_xxx --item-type thread --flag-type feed

# Preview request (dry-run, doesn't send)
lark-cli im +flag-create --as user --message-id om_xxx --dry-run

Parameters

Parameter	Required	Description
`--message-id <om_xxx>`	Required	Message ID
`--flag-type <name>`	No	`message` (default) or `feed`
`--item-type <name>`	No	Override auto-detection: `default\|thread\|msg_thread` (rarely needed)
`--as user`	Required	Currently only supports user identity

Valid Combinations

The server only accepts these (item_type, flag_type) pairs:

(default, message) — regular message flag
(thread, feed) — feed flag in topic-style chat
(msg_thread, feed) — feed flag in regular chat

Permissions

Required scopes: im:feed.flag:write, im:message.group_msg:get_as_user, im:message.p2p_msg:get_as_user, im:chat:read
The message/chat read scopes are used when --flag-type feed is used without explicit --item-type so the CLI can auto-detect chat type.
If missing, CLI will prompt with lark-cli auth login --scope "..."

Note

Do not call +flag-list for verification: If the create API returns success, the flag is created. Calling +flag-list to verify is expensive (requires full pagination) and unnecessary.

Finding Message ID Efficiently

If you have message content but not the message ID:

Use +messages-search to find the message by content, then extract message_id from the result
Do NOT use +flag-list to find the message — it requires full pagination and is very inefficient

# Search by message content to find message_id
lark-cli im +messages-search --as user --query "message content here" -q '.data.items[0].message_id'

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