feat(canvas): rApplet Phase 2 — port chips, data flow, toolbar palette, 15 module applets
- Replace port-indicator dots with port-chip pills (colored border + dot + name)
- Add setPortValue override bridging FolkArrow piping to onInputReceived/emitOutput
- Add Applets toolbar group with dynamic palette + template section
- 15 new module applet files: rtasks, rtime, rcal, rchats, rdata, rdocs,
rnotes, rphotos, rmaps, rnetwork, rchoices, rinbox, rsocials, rbooks, rexchange
- 20 total applet cards across 18 modules (was 5 across 3)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>