schema+wire: SSH get_config.running from show running-config script (#324)

crude_engine/schemas/config.yaml

@@ -37,8 +37,15 @@ methods:
   set_watchdog:
     type: upsert
 attributes:
-  # 1.17 get_config is SSH execute (show running-config). No overlay in this ticket.
-  running: {}
+  # #324: running wired to SSH "show running-config script" (raw text,
+  # parser: none). SSH-only; MOPS/SNMP stay empty.
+  running:
+    wire: hm2configrunning
+    source: config
+  # startup stays unwired, deliberately: "show startup-config" is rejected as
+  # an invalid command on the tested firmware, and the saved (nvm) config can
+  # only be read by first loading it into running (a mutating copy), which a
+  # read-only getter must not do. Not a wiring gap; there is nothing to wire.
   startup: {}
   nvm:
     wire: hm2fmnvmstate

crude_engine/wire/config.yaml

@@ -0,0 +1,10 @@
+version: "2.9.0"
+feature: config
+description: "Config management — running-config text blob. SSH-only: no SNMP/MOPS equivalent exists for a raw config-text dump (#324)."
+
+attributes:
+  # Synthetic identifier — no real HM2 MIB object backs this (there is no
+  # SNMP/MOPS way to fetch config as text). Named to match house hm2*
+  # convention for readability, not because it's a real OID.
+  hm2configrunning:
+    type: string

crude_engine/wire/ssh/config.yaml

@@ -0,0 +1,20 @@
+version: "2.9.0"
+feature: config-ssh
+description: "SSH CLI execute-blob source for get_config.running (#324)"
+
+attributes:
+  # Tested live over SSH: bare "show running-config" is rejected
+  # ("Incomplete command"); "script" is the working form. parser: none is
+  # REQUIRED here, not optional: SSH.yaml's protocol-level default parser is
+  # dot_keys, and omitting this key returned {} against the raw text.
+  #
+  # Considered "show running-config xml" for shape consistency with a future
+  # MOPS get_config (an XML config file). On the tested firmware "xml" is
+  # rejected as an invalid command, although the CLI reference lists it.
+  # "script all" hung the SSH session (prompt-pattern timeout) and was not
+  # pursued. No XML-shape source is reachable via SSH on the tested devices;
+  # a future MOPS get_config needs its own shape-reconciliation pass.
+  hm2configrunning:
+    sources:
+      ssh:
+        read: {command: "show running-config script", parser: none}