docs(issue-45): isolation and resume notes; block inventory line shifts

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

tests/data/skill_code_blocks.json

@@ -60,8 +60,8 @@
   },
   {
    "skill": "multi-agent-mux-create",
-   "start": 127,
-   "end": 145,
+   "start": 129,
+   "end": 147,
    "lang": "yaml",
    "sha": "2dd608d04ae0",
    "class": "c",
@@ -74,8 +74,8 @@
   },
   {
    "skill": "multi-agent-mux-create",
-   "start": 151,
-   "end": 153,
+   "start": 153,
+   "end": 155,
    "lang": "bash",
    "sha": "613003708f19",
    "class": "c",
@@ -88,8 +88,8 @@
   },
   {
    "skill": "multi-agent-mux-create",
-   "start": 191,
-   "end": 195,
+   "start": 193,
+   "end": 197,
    "lang": "bash",
    "sha": "38836d31bf38",
    "class": "c",
@@ -103,8 +103,8 @@
   },
   {
    "skill": "multi-agent-mux-create",
-   "start": 217,
-   "end": 239,
+   "start": 219,
+   "end": 241,
    "lang": "bash",
    "sha": "d90cfd2555fd",
    "class": "b",
@@ -478,9 +478,9 @@
     "multi-agent-mux-resume/scripts/resume_session.sh:133-144",
     "multi-agent-mux-resume/scripts/resume_session.sh:147-158",
     "multi-agent-mux-resume/scripts/resume_session.sh:172-197",
-    "multi-agent-mux-resume/scripts/resume_session.sh:237",
-    "multi-agent-mux-resume/scripts/resume_session.sh:241",
-    "multi-agent-mux-resume/scripts/resume_session.sh:247-250",
+    "multi-agent-mux-resume/scripts/resume_session.sh:245",
+    "multi-agent-mux-resume/scripts/resume_session.sh:249",
+    "multi-agent-mux-resume/scripts/resume_session.sh:255-258",
     "lib_py/agents/adapters/claude.py:109"
    ],
    "mismatch": [