fix: address markdown lint and doc accuracy issues (threads 6-13)

Thread 6: Add python language specifier to .claude-plugin/README.md code fence
Thread 7: Fix MD022/MD031 spacing in docs/MARKETPLACE.md
Thread 8: Blank line before Destructive Actions heading in README.md
Thread 9: Move H1 to first line in skills/unraid/references/api-reference.md
Thread 10+11+12: Rewrite quick-reference.md:
  - Fix MD022/MD031 (blank lines around headings/fences)
  - Add python language specifiers to all code fences
  - Fix disk/logs params: path/lines → log_path/tail_lines
  - Add path param to live/log_tail example
  - Remove invalid notification/unread subaction
  - Fix notification/list filter= → list_type=
Thread 13: Add python/text language specifiers to troubleshooting.md fences
Thread 14: Update test-tools.sh header comment (in separate commit)
Also: Remove 'connect' from README system subactions table (it was removed from
the tool in previous commit), fix notification 'unread' → 'mark_unread' in table

skills/unraid/references/quick-reference.md

@@ -5,7 +5,8 @@ All operations use: `unraid(action="<domain>", subaction="<operation>", [params]
 ## Most Common Operations
 
 ### Health & Status
-```
+
+```python
 unraid(action="health",  subaction="setup")            # First-time credential setup
 unraid(action="health",  subaction="check")            # Full health check
 unraid(action="health",  subaction="test_connection")  # Quick connectivity test
@@ -15,7 +16,8 @@ unraid(action="system",  subaction="online")           # Online status
 ```
 
 ### Array & Disks
-```
+
+```python
 unraid(action="system",  subaction="array")             # Array status overview
 unraid(action="disk",    subaction="disks")             # All disks with temps & health
 unraid(action="array",   subaction="parity_status")     # Current parity check
@@ -25,14 +27,17 @@ unraid(action="array",   subaction="stop_array",  confirm=True)   # ⚠️ Stop
 ```
 
 ### Logs
-```
-unraid(action="disk", subaction="log_files")                          # List available logs
-unraid(action="disk", subaction="logs", path="syslog", lines=50)      # Read syslog
-unraid(action="disk", subaction="logs", path="/var/log/syslog")       # Full path also works
+
+```python
+unraid(action="disk", subaction="log_files")                                          # List available logs
+unraid(action="disk", subaction="logs", log_path="syslog", tail_lines=50)             # Read syslog
+unraid(action="disk", subaction="logs", log_path="/var/log/syslog")                   # Full path also works
+unraid(action="live", subaction="log_tail", log_path="/var/log/syslog")               # Live tail
 ```
 
 ### Docker Containers
-```
+
+```python
 unraid(action="docker", subaction="list")
 unraid(action="docker", subaction="details",  container_id="plex")
 unraid(action="docker", subaction="start",    container_id="nginx")
@@ -42,7 +47,8 @@ unraid(action="docker", subaction="networks")
 ```
 
 ### Virtual Machines
-```
+
+```python
 unraid(action="vm", subaction="list")
 unraid(action="vm", subaction="details",    vm_id="<id>")
 unraid(action="vm", subaction="start",      vm_id="<id>")
@@ -52,37 +58,41 @@ unraid(action="vm", subaction="force_stop", vm_id="<id>", confirm=True)   # ⚠
 ```
 
 ### Notifications
-```
+
+```python
 unraid(action="notification", subaction="overview")
-unraid(action="notification", subaction="unread")
-unraid(action="notification", subaction="list",    filter="UNREAD", limit=10)
+unraid(action="notification", subaction="list",    list_type="UNREAD", limit=10)
 unraid(action="notification", subaction="archive", notification_id="<id>")
 unraid(action="notification", subaction="create",  title="Test", subject="Subject",
                                                    description="Body", importance="normal")
 ```
 
 ### API Keys
-```
+
+```python
 unraid(action="key", subaction="list")
 unraid(action="key", subaction="create", name="my-key", roles=["viewer"])
 unraid(action="key", subaction="delete", key_id="<id>", confirm=True)   # ⚠️
 ```
 
 ### Plugins
-```
+
+```python
 unraid(action="plugin", subaction="list")
 unraid(action="plugin", subaction="add",    names=["community.applications"])
 unraid(action="plugin", subaction="remove", names=["old.plugin"], confirm=True)   # ⚠️
 ```
 
 ### rclone
-```
+
+```python
 unraid(action="rclone", subaction="list_remotes")
 unraid(action="rclone", subaction="delete_remote", name="<remote>", confirm=True)   # ⚠️
 ```
 
 ### Live Subscriptions (real-time)
-```
+
+```python
 unraid(action="live", subaction="cpu")
 unraid(action="live", subaction="memory")
 unraid(action="live", subaction="parity_progress")
@@ -90,6 +100,7 @@ unraid(action="live", subaction="log_tail")
 unraid(action="live", subaction="notification_feed")
 unraid(action="live", subaction="ups_status")
 ```
+
 > Returns `{"status": "connecting"}` on first call — retry momentarily.
 
 ---