🛡️ Sentinel: [HIGH] Fix SQL injection in wiki-daily-digest

[callmeradical]

🚨 Severity: HIGH
💡 Vulnerability: The script bin/wiki-daily-digest was vulnerable to SQL injection because it directly interpolated the $session_id and $date variables into its SQLite queries without escaping single quotes, allowing for potential manipulation of the string interpolation.
🎯 Impact: A maliciously crafted session ID or date from the external opencode or goose databases could terminate the string literal and execute arbitrary SQL commands against the local sqlite database, potentially leading to unauthorized data modification or execution of secondary statements.
🔧 Fix: Updated the SQLite query strings to use Bash parameter expansion (${var//\'/\'\'}) to properly escape single quotes for both $session_id and $date variables before interpolating them into the query strings.
✅ Verification: Verified the fix by running the full test suite and formatting checks (e.g., go test ./..., go build ./..., gofmt -s -w .) and performing code review.

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PR created automatically by Jules for task 12586314358449495543 started by @callmeradical

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