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**Category:** fix **User Impact:** Channel descriptions now keep their paragraph structure everywhere people and agents read them. **Problem:** Multi-paragraph channel descriptions were flattened in the desktop interface and in agent context, making operational instructions harder to scan and potentially changing their meaning. A running agent harness could also continue using a stale description after someone edited it. **Solution:** Preserve authored line and paragraph breaks across the desktop surfaces, and render descriptions as bounded, indented agent-context blocks with semantic delimiters escaped. Prompt-visible channel metadata now refreshes before each turn with cached fallback, while one shared desktop derivation keeps the header and channel intro consistent. <details> <summary>File changes</summary> **crates/buzz-acp/src/pool.rs** Refresh prompt-visible kind-39000 metadata with one bounded request per turn so edits reach running harnesses, while retaining cached metadata as a degradation fallback. Add regression coverage for description edits and update request-count fixtures for the refresh lifecycle. **crates/buzz-acp/src/prompt_framing.rs** Add semantic text escaping for untrusted values embedded inside paired prompt sections. **crates/buzz-acp/src/queue.rs** Render multi-paragraph descriptions as indented context blocks, preserve blank lines, retain the 500-character limit, and escape semantic delimiters. Add helper- and full-prompt tests for paragraph preservation, UTF-8-safe truncation, and adversarial input. **desktop/src/features/channels/lib/channelDescription.ts** Introduce one shared channel-detail derivation and preserve newlines between status context and authored detail text. **desktop/src/features/channels/lib/channelDescription.test.mjs** Cover shared field precedence, multiline descriptions, status-prefix separation, and fallback behavior. **desktop/src/features/channels/ui/ChannelPane.helpers.ts** Use the shared channel-detail derivation for the channel intro instead of maintaining a second field order. **desktop/src/features/channels/ui/ChannelPane.helpers.test.mjs** Verify description text wins consistently over legacy purpose text when both are present. **desktop/src/features/channels/ui/ChannelManagementSheetRows.tsx** Preserve paragraph whitespace in editable and read-only channel summaries and allow enough lines for compact multi-paragraph descriptions. **desktop/src/features/channels/ui/ChannelManagementSheetRows.test.mjs** Render both channel-summary variants and assert the multiline whitespace and four-line clamp contract. **desktop/src/features/messages/ui/ChannelIntroBlock.tsx** Display description line and paragraph breaks in the empty-channel intro. **desktop/src/features/messages/ui/ChannelIntroBlock.test.mjs** Add render-level coverage for the intro's multiline whitespace contract. </details> ## Reproduction steps 1. Run the desktop app and create an empty channel. 2. Give it a description with two paragraphs, including a blank line and a multi-line second paragraph, then save and reopen channel management. 3. Confirm the empty-channel intro preserves the blank line and subsequent line breaks. 4. Confirm the channel-management summary shows the paragraph structure for both an editor and a read-only member rather than a detached ellipsis. 5. Hover the channel title and confirm its tooltip keeps the description's line breaks. 6. Add an agent, send one prompt, edit the description, then send another prompt. Confirm the next generated agent context contains the updated description as an indented multiline block. ## Screenshot A real-app screenshot of the multiline channel intro and channel-management summary is attached in the PR comments below. Closes AIDA-1980. --------- Signed-off-by: tulsi <tulsi@block.xyz>