Fix/use before declare errors

[chirag-projects]

Summary [required]

This PR resolves critical JavaScript and template rendering errors that were blocking core functionality. A syntax error in the error handling logic and an unresolved merge conflict in the project detail template were preventing the application from loading properly. These fixes restore full interactivity to the recommendation engine and project detail pages, with all 78 tests now passing.

Related Issue [required]

Closes #1283

Type of Change [required]

• Bug fix — resolves a broken behaviour
• Feature — adds new functionality
• Data — adds new projects to data/projects.json
• Documentation — updates docs, README, or code comments only
• Style — CSS or visual changes only, no logic change
• Refactor — restructures code without changing behaviour
• Test — adds or updates tests

What Was Changed [required]

File	Change made
static/script.js	Fixed missing parentheses in if condition (line 1091) — properly grouped complex boolean expression with mixed && and `
templates/project.html	Resolved git merge conflict — replaced non-existent escapejs filter with built-in tojson filter for safe JavaScript variable serialization

How to Test This PR [required]

1. Clone this branch: git checkout your-branch-name
2. Install dependencies: pip install -r requirements.txt
3. Run the app: python app.py
4. Open http://127.0.0.1:5000 and...
5. Run the tests: python tests/test_basic.py

Expected test output:

78 passed, 0 failed out of 78 tests

Test Results [required]

PASS test_projects_json_loads
PASS test_duplicate_ids_detected
...
PASS test_project_detail_found
PASS test_project_detail_not_found
PASS test_project_links_have_noopener
PASS test_compare_api_not_found
PASS test_sitemap_includes_compare

78 passed, 0 failed out of 78 tests

Screenshots (if UI change)

Before	After
Console error: SyntaxError: missing ) after argument list	No console errors, full script execution
Template error: TemplateAssertionError: No filter named 'escapejs'	Project detail page renders correctly
UI elements non-functional	All interactive elements working

Self-Review Checklist [required]

• I have read CONTRIBUTING.md and followed all guidelines
• My branch name follows the convention: feat/, fix/, docs/, data/, style/, test/
• I have run python tests/test_basic.py and all 78 tests pass
• I have run flake8 . locally and there are no errors
• I have not introduced any print() or console.log() debug statements

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