diff --git a/fleet.toml b/fleet.toml
index 786e555..ed4b070 100644
--- a/fleet.toml
+++ b/fleet.toml
@@ -66,12 +66,17 @@ config    = "agents.toml"
 notes     = "Reimplement lichen.page in Python — the real project (succeeded the p-lichen-orchestrator bootstrap after the 2026-07-10 cutover). Live under lichen-* tmux sessions (lichen-orchestrator, lichen-watchdog, lichen-feature-completeness, lichen-cleanlogs, lichen-disk-reclaim). Engine submodule drift: working tree at 26d93c1, committed pin at 5a993aa."
 
 # Operator's atproto workspace. One remote-control agent (`analyst`) the operator drives directly.
+# ENGINE SOURCE (operator's choice, 2026-08-01): the bot's Tangled repo —
+#   git@tangled.org:notplants-bot.bsky.social/agent-orchestrator  (did:plc:qfngkejlw4ghji2myc73hbdh)
+# Pull engine updates for this project from there, NOT from git.autonomic.zone. Note there is a
+# SECOND, STALE agent-orchestrator on Tangled under a different account (did:plc:3nogfd4smhmbrv4wo6kl7zg2,
+# main at 98d198b) — not this one; always use the notplants-bot repo above.
 [[project]]
 name      = "notplants-atproto"
 location  = "/srv/project-orchestrator/projects/notplants-atproto"
 harness   = "agent-orchestrator"
-ref       = "26d93c1eda36dd68d1f59e5bec5e4cea9bc0d761"   # latest engine (v0.1.0-33-g26d93c1) at creation
+ref       = "26d93c1eda36dd68d1f59e5bec5e4cea9bc0d761"   # latest engine (v0.1.0-33-g26d93c1) from the bot's Tangled repo
 enabled   = true                                         # RUNNING — operator-driven via Remote Control
 secrets   = ".env"                                       # atproto creds; gitignored, not yet populated
 config    = "agents.toml"
-notes     = "Created 2026-08-01. Analysis of the operator's atproto data, and possibly custom feeds; the operator sets direction interactively. Single persistent agent 'analyst' (claude-opus-4-8, watch=heal, resume=true) exposed over Claude Code Remote Control as session notplants-atproto-analyst. Scope is deliberately open — the operator drives."
+notes     = "Created 2026-08-01. Analysis of the operator's atproto data, and possibly custom feeds; the operator sets direction interactively. Single persistent agent 'analyst' (claude-opus-5, watch=heal, resume=true) exposed over Claude Code Remote Control as session notplants-atproto-analyst. Engine sourced from the bot's Tangled repo by operator choice (see comment above). Scope is deliberately open — the operator drives."