Fog of war reveals the ground around the bot through rock (t17)

Also: board rule to write tasks from chat in our own words, task
descriptions rewritten that way, and a note on lost web-board descriptions.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs/kandown.md

@@ -49,6 +49,10 @@ kandown daemon stop                  # stop that daemon
   Find it with `tasks/<id>_*.md`; don't rename it.
 - `kandown create` has no body option: write the body into the file after creating it.
 - `depends_on` blocks a move to Done until the listed tasks are done.
+- **Descriptions typed on the web board can be lost.** On 2026-10-24 the owner created t16–t19
+  on the web board with descriptions; the files were saved with a title and no body. The owner
+  believes it is a bug in the web daemon (not investigated). A task with only a title may have
+  had a description: ask the owner, then write their words under `## Context` yourself.
 
 ## A task file