progress.json

{
  "project": "Daily LeetCode Problem Workflow",
  "spec": "spec.md",
  "status": "completed",
  "tasks": [
    {
      "id": 1,
      "title": "Create LeetCode problem fetcher script",
      "description": "Shell script (scripts/fetch-problem.sh) that queries LeetCode GraphQL API to get daily challenge or a specific problem by URL/slug. Handles exponential backoff retry (3 attempts, 2s initial delay), extracts problem metadata (number, title, slug, difficulty, tags, acceptance rate, content, isPaidOnly), and outputs structured JSON.",
      "status": "completed",
      "files": ["scripts/fetch-problem.sh"]
    },
    {
      "id": 2,
      "title": "Create Claude prompt template for dsa-coach analysis",
      "description": "Markdown prompt template (scripts/prompt-template.md) that instructs Claude Code to act as a DSA coach. Includes instructions for generating: analysis.md with progressive hints, solution.go with inline types, and solution_test.go with table-driven tests from all examples. Uses delimiters for output parsing.",
      "status": "completed",
      "files": ["scripts/prompt-template.md"]
    },
    {
      "id": 3,
      "title": "Create GitHub Actions workflow file",
      "description": "Main workflow (.github/workflows/daily-leetcode.yml) with: schedule trigger (00:30 UTC) + workflow_dispatch (optional problem_url input), job steps for fetching problem, detecting premium/duplicates, running claude-code-action with CLAUDE_CODE_OAUTH_TOKEN, executing Go tests, and creating PR with proper naming (feat/daily-YYYYMMDD-slug branch, daily-YYYY-MM-DD-NNNN-name PR title).",
      "status": "completed",
      "files": [
        ".github/workflows/daily-leetcode.yml",
        "scripts/build-prompt.py"
      ],
      "depends_on": [1, 2]
    },
    {
      "id": 4,
      "title": "Handle duplicate problem detection",
      "description": "Logic within the workflow to check if problems/[NNNN-problem-name]/ already exists. If it does, instruct Claude to use _daily_YYYYMMDD suffix for solution and test files instead of overwriting.",
      "status": "completed",
      "notes": "Implemented as 'Check for duplicate problem' step in the workflow. The IS_DUPLICATE flag is passed to build-prompt.py which adjusts file naming instructions in the prompt.",
      "depends_on": [3]
    },
    {
      "id": 5,
      "title": "Handle premium problem detection and issue creation",
      "description": "Logic within the workflow to detect isPaidOnly=true from fetched problem data, skip solution generation, and create a GitHub issue titled 'Daily Challenge Skipped: Premium Problem - [Title]' with problem number, title, and date.",
      "status": "completed",
      "notes": "Implemented as 'Handle premium problem' step. All subsequent steps have if: is_premium != 'true' guard.",
      "depends_on": [3]
    },
    {
      "id": 6,
      "title": "Validate workflow end-to-end",
      "description": "Review the complete workflow for correctness: verify GraphQL queries work, prompt template produces expected output structure, workflow YAML syntax is valid, permissions are correct, and all edge cases (premium, duplicate, test failure) are handled.",
      "status": "completed",
      "notes": "Validated via live GitHub Actions run. Fixed three issues during validation: added mode: 'agent' for workflow_dispatch, enabled PR creation permissions, and removed redundant commit/push step since claude-code-action handles git operations in agent mode.",
      "depends_on": [3, 4, 5]
    },
    {
      "id": 7,
      "description": "for manual dispatch workflow, don't start PR's name with 'daily'",
      "status": "todo",
      "notes": "Currently, the PR title is always prefixed with 'daily-'. For manual dispatches, we should adjust this to avoid confusion.",
      "depends_on": []
    },
    {
      "id": 8,
      "description": "daily leetcode workflow lost the number in the branch's name when trigger (by schedule or manual)",
      "status": "todo",
      "notes": "the PR still has the number, but the branch name misses it. Need to fix the branch naming logic to include the problem number.",
      "depends_on": []
    },
    {
      "id": 9,
      "title": "Create submit.sh script — argument parsing and directory resolution",
      "description": "Implement the first section of scripts/submit.sh: shebang, set -euo pipefail, argument parsing (accept problem number or directory path, optional --file flag defaulting to solution.go), resolve problem directory from problems/ by zero-padded glob, validate the solution file exists. Exit code 2 on bad input.",
      "status": "completed",
      "spec": "specs/submit-leetcode.md",
      "files": ["scripts/submit.sh"],
      "depends_on": []
    },
    {
      "id": 10,
      "title": "Create submit.sh — authentication and slug derivation",
      "description": "Add auth validation (check LEETCODE_SESSION and LEETCODE_CSRF env vars are set and non-empty, exit code 3 if missing) and slug derivation (strip NNNN- prefix from directory name to get the LeetCode slug).",
      "status": "completed",
      "spec": "specs/submit-leetcode.md",
      "files": ["scripts/submit.sh"],
      "depends_on": [9]
    },
    {
      "id": 11,
      "title": "Create submit.sh — GraphQL question ID lookup with local cache",
      "description": "Implement the questionId fetch: reuse graphql_request helper pattern from fetch-problem.sh (Referer/Origin headers, inline slug, retry with backoff). Read/write .leetcode-cache/problems.json for slug->questionId mapping. Create cache dir and file if missing. Atomic write via temp file + mv.",
      "status": "completed",
      "spec": "specs/submit-leetcode.md",
      "files": ["scripts/submit.sh", ".gitignore"],
      "depends_on": [10]
    },
    {
      "id": 12,
      "title": "Create submit.sh — submission POST and result polling",
      "description": "POST to /problems/<slug>/submit/ with lang=golang, question_id, typed_code payload. Include Cookie, X-CSRFToken, X-Requested-With, Referer, Origin headers. Extract submission_id from response. Poll /submissions/detail/<id>/check/ every 2s, max 15 attempts (30s timeout). Exit code 4 on API/network errors.",
      "status": "completed",
      "spec": "specs/submit-leetcode.md",
      "files": ["scripts/submit.sh"],
      "depends_on": [11]
    },
    {
      "id": 13,
      "title": "Create submit.sh — result formatting and exit codes",
      "description": "Parse the final check response: print formatted summary (problem name, verdict, test pass count, runtime/memory percentile). On non-Accepted verdicts, print last_testcase, expected_output, code_output if available. Exit 0 for Accepted, exit 1 for any other verdict.",
      "status": "completed",
      "spec": "specs/submit-leetcode.md",
      "files": ["scripts/submit.sh"],
      "depends_on": [12]
    },
    {
      "id": 14,
      "title": "Create submit-leetcode.yml GitHub Actions workflow",
      "description": "Create .github/workflows/submit-leetcode.yml with workflow_dispatch trigger, two inputs (problem_number: required string, solution_file: optional string defaulting to solution.go). Single job: checkout repo, run scripts/submit.sh with LEETCODE_SESSION and LEETCODE_CSRF from repository secrets.",
      "status": "completed",
      "spec": "specs/submit-leetcode.md",
      "files": [".github/workflows/submit-leetcode.yml"],
      "depends_on": [13]
    },
    {
      "id": 15,
      "title": "Test submit.sh locally end-to-end",
      "description": "Run the script locally against a known solved problem (e.g. 1382) to verify the full flow: directory resolution, slug derivation, GraphQL ID fetch, cache write, submission, polling, and result output. Verify exit codes for both Accepted and error scenarios.",
      "status": "completed",
      "spec": "specs/submit-leetcode.md",
      "notes": "Tested against problem 1382. Full flow works: directory resolution, slug derivation, question ID fetch + cache write, submission POST, polling, and result reporting. Got 'Compile Error' due to solution file having inline TreeNode definition that conflicts with LeetCode's environment — script behavior is correct.",
      "depends_on": [13]
    },
    {
      "id": 16,
      "title": "Minify solution.go before submission",
      "description": "Add a preprocessing step in submit.sh that strips LeetCode-incompatible boilerplate from the solution file before submitting. Remove 'package main/solution' declaration, inline struct definitions that LeetCode provides (TreeNode, ListNode, Node, etc.), and any imports that become unused after removal. The minified code is used only for the typed_code payload — the original file is never modified. This fixes the Compile Error seen in e2e testing where inline TreeNode definitions conflict with LeetCode's environment.",
      "status": "completed",
      "spec": "specs/submit-leetcode.md",
      "files": ["scripts/submit.sh"],
      "notes": "Strips package declaration, LeetCode-provided struct types (TreeNode, ListNode, Node) and their preceding doc comments. Verified with e2e test: problem 1382 went from Compile Error to Accepted (17/17 tests).",
      "depends_on": [13]
    }
  ]
}