fix(admin): Fix Prompt management list not showing version info and add debug diagnostics

Summary:
- Fix Prompt list API response schema missing activeVersion and draftVersion fields
- Fastify was filtering out undefined schema fields, causing version columns to show empty
- Add detailed diagnostic logging for Prompt debug mode troubleshooting
- Verify debug mode works correctly (DRAFT version is used when debug enabled)

Changes:
- backend/src/common/prompt/prompt.routes.ts: Add activeVersion and draftVersion to response schema
- backend/src/common/prompt/prompt.service.ts: Add diagnostic logs for setDebugMode and get methods
- PKB module: Various authentication and document handling fixes from previous session

Tested: Debug mode verified working - v2 DRAFT version correctly loaded when debug enabled

backend/scripts/check-dc-tables.mjs

@@ -248,6 +248,8 @@ checkDCTables();
 
 
 
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backend/scripts/create-capability-schema.sql

@@ -4,3 +4,5 @@ CREATE SCHEMA IF NOT EXISTS capability_schema;
 
 
 
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backend/scripts/create-tool-c-ai-history-table.mjs

@@ -200,6 +200,8 @@ createAiHistoryTable()
 
 
 
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backend/scripts/create-tool-c-table.js

@@ -187,6 +187,8 @@ createToolCTable()
 
 
 
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backend/scripts/create-tool-c-table.mjs

@@ -184,6 +184,8 @@ createToolCTable()
 
 
 
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backend/scripts/setup-prompt-system.ts

@@ -114,3 +114,5 @@ main()
 
 
 
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backend/scripts/test-pkb-apis-simple.ts

@@ -334,3 +334,5 @@ runTests().catch(error => {
 
 
 
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backend/scripts/test-prompt-api.ts

@@ -80,3 +80,5 @@ testAPI().catch(console.error);
 
 
 
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backend/scripts/verify-pkb-rvw-schema.ts

@@ -299,3 +299,5 @@ verifySchemas()
 
 
 
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