refactor: update multi-agent rules to TMUX & refactor MAM skills scripts

- Update .agents/MULTI_AGENT_RULES.md & .ko.md to align with TMUX concepts
- Add .agents/INSTALL.md guide for MAM setup and workflows
- Clean up legacy markdown reports under .agents/reports/
- Refactor MAM scripts in .agents/skills/ (rename resolve_herdr_session to resolve_herdr_workspace)
- Improve workspace pane splitting/re-use logic in lib.sh
- Reduce paste safety sleep in send_keys_safe and support linking ~/.claude.json

.agents/skills/multi-agent-mux-delegate-job/multi-agent-mux-delegate-job

@@ -138,19 +138,6 @@ cmd_submit() {
 - **Timeout**: $TIMEOUT s (Idle: $IDLE_TIMEOUT s)
 - **Output Report Path**: .mam/jobs/$JOB_ID/$AGENT-reports/report-final.md
 
-## 🔔 Execution Commands
-On start run:
-python3 .agents/skills/multi-agent-mux-delegate-job/scripts/publish_event.py --registry-dir .mam/jobs --job $JOB_ID --event started
-
-On progress (optional):
-python3 .agents/skills/multi-agent-mux-delegate-job/scripts/publish_event.py --registry-dir .mam/jobs --job $JOB_ID --event progress --detail '<short status>'
-
-On success run:
-python3 .agents/skills/multi-agent-mux-delegate-job/scripts/publish_event.py --registry-dir .mam/jobs --job $JOB_ID --event completed --detail '<one-line summary>'
-
-On failure run:
-python3 .agents/skills/multi-agent-mux-delegate-job/scripts/publish_event.py --registry-dir .mam/jobs --job $JOB_ID --event error --detail '<one-line reason>'
-
 ## 🔎 Task Description
 $PROMPT
 EOF
@@ -197,8 +184,7 @@ EOF
     # an id from an earlier session is the #1 reason a delegated job sits idle and
     # times out (see SKILL.md "Wrong job_id propagated to the agent"). We make the
     # freshness explicit in the instruction header.
-    # Keep this short and ASCII-only to prevent paste/wrap rendering issues in CLI REPLs.
-    local instructions="Job $JOB_ID: Read .mam/jobs/$JOB_ID/brief.md and complete the task."
+    local instructions="Your job_id is \"$JOB_ID\". Detailed task requirements, instructions, and target output paths are documented in the task brief file at: .mam/jobs/$JOB_ID/brief.md. Please READ and follow .mam/jobs/$JOB_ID/brief.md to complete your work. Commands: start='$pub --event started', success='$pub --event completed --detail <summary>', error='$pub --event error --detail <reason>'."
 
     run_agent "$JOB_ID" "$instructions"
 
@@ -454,7 +440,7 @@ run_agent() {
   # the caller having exported HERDR_SERVER_NAME by hand. This is what lets
   # delegation reach an agent living in an isolated herdr session (e.g. one
   # created with --herdr-server) instead of silently looking in "default".
-  export HERDR_SERVER_NAME="$(resolve_herdr_session "$sess")"
+  export HERDR_SERVER_NAME="$(resolve_herdr_workspace "$sess")"
 
   if ! herdr has-session -t "$sess" 2>/dev/null; then
     echo "ERROR: 에이전트 세션 '$sess'이 존재하지 않습니다. 작업을 위임하기 전에 먼저 에이전트 세션을 기동해 주세요." >&2