Cobsidian v0.4.0

What's Changed

• docs: add integration setup guide by @Totoro-qaq in #7
• docs: clarify setup paths and language-aware skill behavior by @Totoro-qaq in #8
• docs: refresh README landing sections by @Totoro-qaq in #9
• docs: add glassmorphism README banner by @Totoro-qaq in #10
• fix: center README banner labels by @Totoro-qaq in #11
• docs: add recorder-ready Cobsidian demo preview by @Totoro-qaq in #12
• refactor: optimize skill triggers, replace [[ ]] icons with knowledge graph, improve demo content by @Totoro-qaq in #13
• docs: add GIF reference, remove redundant README sections by @Totoro-qaq in #14
• fix: polish HTML demo for GIF recording by @Totoro-qaq in #15
• feat: add Red Flags and Common Mistakes to SKILL.md by @Totoro-qaq in #16
• feat: add Claude Code / OpenCode adapter by @Totoro-qaq in #17
• docs: add Cobsidian demo gif by @Totoro-qaq in #18
• release: Cobsidian v0.4.0 by @Totoro-qaq in #19

Full Changelog: v0.3.0...v0.4.0