feat(ttl): Wait for thermal sensors before taking baseline data

New utils/wait_init.ttl polls `show platform temperature` every 10 s
until it stops reporting "Thermal Not detected", so Script A does not
record a baseline while pmon is still coming up. Script A calls it right
after `show boot` and bumps to V1.0.3.

The include pointed at utils/wait_thermal.ttl while the file is
wait_init.ttl -- as Script A's own V1.0.3 history line says. Corrected;
Tera Term aborts the macro when an include cannot be opened, so this
would have stopped Script A at line 59 on the first run.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014RetWKFZFG1ZHcitQAyhwM

src/Script_ABC_Blanton/1_Blanton_Script_A.ttl

@@ -1,7 +1,7 @@
 ; =============================================================================
 ; Script A for Blanton
-; Version : V1.0.2
-; Date    : 2026-08-17
+; Version : V1.0.3
+; Date    : 2026-08-21
 ; Author  : ETWen
 ; =============================================================================
 ; Version History:
@@ -14,7 +14,8 @@
 ;                       ScriptB                                         Remove stress_hhmd, stress_pcie
 ;                       Blanton_Script                                  Add blanton_traffic_linespeed.sh
 ;                       ScriptB/C                                       Add Traffic Test
-;
+;   V1.0.3  2026-08-21  utils/wait_init.ttl                             Created
+;                       ScriptA                                         Add Wait DUT Ready
 ; =============================================================================
 include "config.ttl"
 
@@ -53,6 +54,10 @@ sendln cmd
 wait prompt_sonic_root
 sendln "show boot"
 
+; ========== Wait DUT Init ==========
+wait prompt_sonic_root
+include "utils/wait_init.ttl"
+
 ; ========== BMC version ==========
 wait prompt_sonic_root
 sendln "bmc-manager run 'cat /etc/issue'"

src/Script_ABC_Blanton/utils/wait_init.ttl

@@ -0,0 +1,30 @@
+; =============================================================================
+; File    : utils/wait_init.ttl
+; Version : V1.0.0
+; Date    : 2026-08-21
+; Author  : ETWen
+; =============================================================================
+; Wait until "show platform temperature" is not "Thermal Not detected".
+; Enter : prompt of the previous command is NOT consumed.
+; Exit  : "show platform temperature" is sent, prompt NOT consumed.
+;
+; Version History:
+;   V1.0.0  2026-08-21  Initial Version
+; =============================================================================
+wt_interval = 10
+timeout = 30
+wait prompt_sonic_root
+
+:WAIT_THERMAL
+sendln "show platform temperature"
+wait "Thermal Not detected" prompt_sonic_root
+if result = 2 then
+    goto THERMAL_OK
+endif
+wait prompt_sonic_root
+pause wt_interval
+goto WAIT_THERMAL
+
+:THERMAL_OK
+timeout = 0
+sendln "show platform temperature"