fix(ci): remove all cron schedules from GitHub Actions workflows (#695)

Obliterates every schedule/cron trigger from all workflow files and
their template copies. No cron jobs will ever run in this repo again.
Use `squad watch` for local polling or event-driven triggers only.

Closes #694

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: bradygaster

.github/workflows/squad-docs-links.yml

@@ -1,8 +1,6 @@
 name: Docs — Weekly Link Check
 
 on:
-  schedule:
-    - cron: '0 9 * * 1'  # Monday 9am UTC
   workflow_dispatch:
 
 jobs:

.github/workflows/squad-heartbeat.yml

@@ -7,10 +7,6 @@ name: Squad Heartbeat (Ralph)
 # Run 'squad upgrade' to sync installed copies from source templates.
 
 on:
-  schedule:
-    # Every 30 minutes — adjust via cron expression as needed
-    - cron: '*/30 * * * *'
-
   # React to completed work or new squad work
   issues:
     types: [closed, labeled]

.squad-templates/workflows/squad-heartbeat.yml

@@ -7,10 +7,6 @@ name: Squad Heartbeat (Ralph)
 # Run 'squad upgrade' to sync installed copies from source templates.
 
 on:
-  schedule:
-    # Every 30 minutes — adjust via cron expression as needed
-    - cron: '*/30 * * * *'
-
   # React to completed work or new squad work
   issues:
     types: [closed, labeled]

packages/squad-cli/templates/workflows/squad-heartbeat.yml

@@ -7,10 +7,6 @@ name: Squad Heartbeat (Ralph)
 # Run 'squad upgrade' to sync installed copies from source templates.
 
 on:
-  schedule:
-    # Every 30 minutes — adjust via cron expression as needed
-    - cron: '*/30 * * * *'
-
   # React to completed work or new squad work
   issues:
     types: [closed, labeled]

packages/squad-sdk/templates/workflows/squad-heartbeat.yml

@@ -7,10 +7,6 @@ name: Squad Heartbeat (Ralph)
 # Run 'squad upgrade' to sync installed copies from source templates.
 
 on:
-  schedule:
-    # Every 30 minutes — adjust via cron expression as needed
-    - cron: '*/30 * * * *'
-
   # React to completed work or new squad work
   issues:
     types: [closed, labeled]

templates/workflows/squad-heartbeat.yml

@@ -7,10 +7,6 @@ name: Squad Heartbeat (Ralph)
 # Run 'squad upgrade' to sync installed copies from source templates.
 
 on:
-  schedule:
-    # Every 30 minutes — adjust via cron expression as needed
-    - cron: '*/30 * * * *'
-
   # React to completed work or new squad work
   issues:
     types: [closed, labeled]