consciousness: update hardcoded paths from ~/.claude to ~/.consciousness

- thalamus/src/idle.rs: dream-start.sh path
- src/agent/dmn.rs: telegram/send.sh path

Part of the directory migration to make this an independent project.

src/agent/observe.rs

@@ -1,7 +1,7 @@
 // observe.rs — Shared observation socket + logfile
 //
 // Two mechanisms:
-//   1. Logfile (~/.cache/poc-agent/sessions/observe.log) — append-only
+//   1. Logfile (~/.consciousness/agent-sessions/observe.log) — append-only
 //      plain text of the conversation. `poc-agent read` prints new
 //      content since last read using a byte-offset cursor file.
 //   2. Unix socket — for live streaming (`poc-agent read -f`) and