feat(framework): P1+P2 — public sanitization + blocking CI gate (#572)

Co-authored-by: Jason Woltje <jason@diversecanvas.com>
Co-committed-by: Jason Woltje <jason@diversecanvas.com>

packages/mosaic/framework/tools/_scripts/mosaic-init

@@ -5,8 +5,8 @@ set -euo pipefail
 #
 # Usage:
 #   mosaic-init                                    # Interactive mode
-#   mosaic-init --name "Jarvis" --style direct     # Flag overrides
-#   mosaic-init --name "Jarvis" --role "memory steward" --style direct \
+#   mosaic-init --name "Mosaic Agent" --style direct     # Flag overrides
+#   mosaic-init --name "Mosaic Agent" --role "memory steward" --style direct \
 #     --accessibility "ADHD-friendly chunking" --guardrails "Never auto-commit"
 
 MOSAIC_HOME="${MOSAIC_HOME:-$HOME/.config/mosaic}"
@@ -50,7 +50,7 @@ Generate Mosaic identity and configuration files:
 Interactive by default. Use flags to skip prompts.
 
 Options:
-  --name <name>            Agent name (e.g., "Jarvis", "Assistant")
+  --name <name>            Agent name (e.g., "Mosaic Agent", "Assistant")
   --role <description>     Role description (e.g., "memory steward, execution partner")
   --style <style>          Communication style: direct, friendly, or formal
   --accessibility <prefs>  Accessibility preferences (e.g., "ADHD-friendly chunking")