agents: inline bd prime conditional; simplify task dispatcher

Replace 'task prime' hook with inline .beads walk in all agent configs —
no wrapper script needed. Drop 'prime' subcommand from scripts/x/task.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

agents/coding.json

@@ -15,7 +15,7 @@
   ],
   "hooks": {
     "agentSpawn": [
-      "task prime 2>/dev/null || true",
+      "bash -c 'd=$PWD; while [ \"$d\" != / ]; do [ -d \"$d/.beads\" ] && exec bd prime; [ ! -e \"$d/.git\" ] && break; d=$(dirname \"$d\"); done' 2>/dev/null || true",
       "prime tools-task 2>/dev/null || true",
       "$OLLIE/x/elevate-adapter-start 2>/dev/null || true",
       "$OLLIE/x/prime tools-file",

agents/default.json

@@ -4,7 +4,7 @@
   ],
   "hooks": {
     "agentSpawn": [
-      "task prime 2>/dev/null || true",
+      "bash -c 'd=$PWD; while [ \"$d\" != / ]; do [ -d \"$d/.beads\" ] && exec bd prime; [ ! -e \"$d/.git\" ] && break; d=$(dirname \"$d\"); done' 2>/dev/null || true",
       "prime tools-task 2>/dev/null || true",
       "$OLLIE/x/elevate-adapter-start 2>/dev/null || true",
       "$OLLIE/x/prime tools-file",

agents/devops.json

@@ -5,7 +5,7 @@
   ],
   "hooks": {
     "agentSpawn": [
-      "task prime 2>/dev/null || true",
+      "bash -c 'd=$PWD; while [ \"$d\" != / ]; do [ -d \"$d/.beads\" ] && exec bd prime; [ ! -e \"$d/.git\" ] && break; d=$(dirname \"$d\"); done' 2>/dev/null || true",
       "prime tools-task 2>/dev/null || true",
       "$OLLIE/x/elevate-adapter-start 2>/dev/null || true",
       "$OLLIE/x/prime tools-file",

agents/greybeard.json

@@ -5,7 +5,7 @@
   ],
   "hooks": {
     "agentSpawn": [
-      "task prime 2>/dev/null || true",
+      "bash -c 'd=$PWD; while [ \"$d\" != / ]; do [ -d \"$d/.beads\" ] && exec bd prime; [ ! -e \"$d/.git\" ] && break; d=$(dirname \"$d\"); done' 2>/dev/null || true",
       "prime tools-task 2>/dev/null || true",
       "$OLLIE/x/elevate-adapter-start 2>/dev/null || true",
       "$OLLIE/x/prime tools-file",

agents/qa.json

@@ -5,7 +5,7 @@
   ],
   "hooks": {
     "agentSpawn": [
-      "task prime 2>/dev/null || true",
+      "bash -c 'd=$PWD; while [ \"$d\" != / ]; do [ -d \"$d/.beads\" ] && exec bd prime; [ ! -e \"$d/.git\" ] && break; d=$(dirname \"$d\"); done' 2>/dev/null || true",
       "prime tools-task 2>/dev/null || true",
       "$OLLIE/x/elevate-adapter-start 2>/dev/null || true",
       "$OLLIE/x/prime tools-file",

agents/reviewer.json

@@ -5,7 +5,7 @@
   ],
   "hooks": {
     "agentSpawn": [
-      "task prime 2>/dev/null || true",
+      "bash -c 'd=$PWD; while [ \"$d\" != / ]; do [ -d \"$d/.beads\" ] && exec bd prime; [ ! -e \"$d/.git\" ] && break; d=$(dirname \"$d\"); done' 2>/dev/null || true",
       "prime tools-task 2>/dev/null || true",
       "$OLLIE/x/elevate-adapter-start 2>/dev/null || true",
       "$OLLIE/x/prime tools-file",

agents/writer.json

@@ -5,7 +5,7 @@
   ],
   "hooks": {
     "agentSpawn": [
-      "task prime 2>/dev/null || true",
+      "bash -c 'd=$PWD; while [ \"$d\" != / ]; do [ -d \"$d/.beads\" ] && exec bd prime; [ ! -e \"$d/.git\" ] && break; d=$(dirname \"$d\"); done' 2>/dev/null || true",
       "prime tools-task 2>/dev/null || true",
       "$OLLIE/x/elevate-adapter-start 2>/dev/null || true",
       "$OLLIE/x/prime tools-file",

scripts/x/task

@@ -1,9 +1,7 @@
 #!/bin/bash
 # Task dispatcher.
-# prime: bd prime if .beads is present, silent otherwise.
-# list:  always shows s/{sid}/plan; additionally bd list --status open if .beads present.
+# list: always shows s/{sid}/plan; additionally bd list --status open if .beads present.
 
-cmd="${1:-list}"
 OLLIE="${OLLIE:-$HOME/mnt/ollie}"
 
 show_plan() {
@@ -15,17 +13,11 @@ show_plan() {
 dir="$PWD"
 while [ "$dir" != "/" ]; do
     if [ -d "$dir/.beads" ]; then
-        case "$cmd" in
-            prime) exec bd prime ;;
-            list)  show_plan; exec bd list --status open ;;
-        esac
+        show_plan; exec bd list --status open
     fi
     [ ! -e "$dir/.git" ] && break
     dir="$(dirname "$dir")"
 done
 
-case "$cmd" in
-    list) show_plan ;;
-esac
-
+show_plan
 exit 0