chore: Reduce cost (#40)

I realized based on the github summary that these runs were actually
quite expensive (30 bucks per day). I wanna try reducing the cost a bit.

Author: lforst

.github/workflows/agent-automation.yml

@@ -2,7 +2,7 @@ name: Agent Automation
 
 on:
   schedule:
-    - cron: "0 6 * * 1-5"
+    - cron: "0 6 * * 3"
   workflow_dispatch:
 
 permissions:
@@ -160,7 +160,7 @@ jobs:
             - Do not create pull requests.
             - If there are no high-confidence non-duplicate gaps, do nothing.
           claude_args: |
-            --model claude-opus-4-6
-            --max-turns 100
+            --model claude-sonnet-4-6
+            --max-turns 60
             --allowedTools "Read,Glob,Grep,LS,WebSearch,WebFetch,mcp__github__get_issue,mcp__github__get_issue_comments,mcp__github__search_issues,mcp__github__list_issues,mcp__github__create_issue"
             --disallowedTools "Bash,Edit,MultiEdit,Write,Replace,NotebookEditCell,mcp__github__create_issue_comment,mcp__github__update_issue,mcp__github__create_pr,mcp__github__create_or_update_file,mcp__github__delete_file,mcp__github_file_ops__commit_files,mcp__github_file_ops__delete_files"

.github/workflows/braintrust-security-audit.yml

@@ -2,7 +2,7 @@ name: Braintrust Security Audit
 
 on:
   schedule:
-    - cron: "0 7 * * *"
+    - cron: "0 7 * * 2"
   workflow_dispatch:
 
 permissions: {}
@@ -150,6 +150,6 @@ jobs:
             - If there are no high-confidence non-duplicate vulnerabilities, do nothing.
           claude_args: |
             --model claude-opus-4-6
-            --max-turns 250
+            --max-turns 125
             --allowedTools "Read,Glob,Grep,LS,WebSearch,WebFetch,mcp__github__get_issue,mcp__github__get_issue_comments,mcp__github__search_issues,mcp__github__list_issues,mcp__github__create_issue"
             --disallowedTools "Bash,Edit,MultiEdit,Write,Replace,NotebookEditCell,mcp__github__create_issue_comment,mcp__github__update_issue,mcp__github__create_pr,mcp__github__create_or_update_file,mcp__github__delete_file,mcp__github_file_ops__commit_files,mcp__github_file_ops__delete_files"

.github/workflows/issue-revalidation-audit.yml

@@ -190,7 +190,7 @@ jobs:
             - Prefer local repo evidence plus official docs/releases over inference.
             - If there are no high-confidence actions, do nothing.
           claude_args: |
-            --model claude-opus-4-6
-            --max-turns 120
+            --model claude-sonnet-4-6
+            --max-turns 60
             --allowedTools "Read,Glob,Grep,LS,WebSearch,WebFetch,mcp__github__list_issues,mcp__github__search_issues,mcp__github__get_issue,mcp__github__get_issue_comments,mcp__github__create_issue_comment,mcp__github__update_issue"
             --disallowedTools "Bash,Edit,MultiEdit,Write,Replace,NotebookEditCell,mcp__github__create_issue,mcp__github__create_pr,mcp__github__create_or_update_file,mcp__github__delete_file,mcp__github_file_ops__commit_files,mcp__github_file_ops__delete_files"

.github/workflows/library-gap-audit.yml

@@ -161,7 +161,7 @@ jobs:
             - Do not create pull requests.
             - If there are no high-confidence non-duplicate gaps, do nothing.
           claude_args: |
-            --model claude-opus-4-6
-            --max-turns 200
+            --model claude-sonnet-4-6
+            --max-turns 100
             --allowedTools "Read,Glob,Grep,LS,WebSearch,WebFetch,mcp__github__get_issue,mcp__github__get_issue_comments,mcp__github__search_issues,mcp__github__list_issues,mcp__github__create_issue"
             --disallowedTools "Bash,Edit,MultiEdit,Write,Replace,NotebookEditCell,mcp__github__create_issue_comment,mcp__github__update_issue,mcp__github__create_pr,mcp__github__create_or_update_file,mcp__github__delete_file,mcp__github_file_ops__commit_files,mcp__github_file_ops__delete_files"