Pulse — Multi-Source Recency Research Portability: Works in both Claude Code CLI and Claude.ai. The optional X/Twitter phase requires browser automation and is skipped automatically if unavailable. A recency-oriented research skill that synthesizes what people are saying about a topic across Reddit, Hacker News, the open web, and (optionally) X/Twitter — within a configurable time window. Output is a single coherent briefing with citations, engagement signals, and cross-platform pattern analysis. The skill captures the current conversation , not the canonical reference. Invocation Explicit tr…