Telegram channel plugin: "Channels are not currently available" for Teams subscribers

Description

The Telegram channel plugin (telegram@claude-plugins-official) is installable and fully configurable, but the --channels CLI flag is gated behind a server-side feature flag (tengu_harbor) that appears to not be enabled for Claude Teams accounts.

Steps to Reproduce

1. Install the Telegram plugin: claude plugin install telegram@claude-plugins-official
2. Configure bot token: /telegram:configure <token>
3. Configure access: /telegram:access (set up allowlist)
4. Run: claude --channels plugin:telegram@claude-plugins-official

Expected Behavior

Channel should connect and receive Telegram messages.

Actual Behavior

--channels ignored (server:telegram)
Channels are not currently available

The CLI parses the --channels flag but then skips channel registration because the feature check returns false.

Additional Context

• Version: Claude Code v2.1.80
• Account: Claude Teams
• Plugin version: telegram@claude-plugins-official 0.0.1
• Plugin status: Installed, enabled, bot token configured, access.json configured
• OS: macOS (Darwin 25.3.0, arm64)

Additionally, once the feature flag gate is bypassed, a second gate (tengu_harbor_ledger — the channels allowlist) also blocks the plugin since the allowlist is empty. The --dangerously-load-development-channels flag is documented in the error message as a workaround but requires both flags to work:

claude --channels plugin:telegram@claude-plugins-official \
  --dangerously-load-development-channels plugin:telegram@claude-plugins-official

Request

Please either:

1. Enable the --channels feature for Teams subscribers, or
2. Document the expected rollout timeline and any prerequisites for channel support

The plugin infrastructure is solid — MCP server boots, bot connects, access control works. The only blocker is the server-side feature flag.