fix: bundle qwen_tts source files in PyInstaller build

[jamiepine]

Summary

• Replace --collect-submodules + --collect-data with --collect-all for qwen_tts in build_binary.py, so physical .py source files are bundled in the frozen binary
• qwen_tts runtime expects modeling_qwen3_tts.py as a real file under _MEIPASS (likely via inspect.getsource()), which only --collect-all provides
• Same pattern already used for inflect (typeguard's @typechecked)

Fixes #212
Supersedes #237 — thanks to @LucianoVandi for identifying the root cause

Summary by CodeRabbit

• Chores
  • Updated binary packaging configuration to improve how dependencies are discovered and bundled, ensuring more complete inclusion of required files during the build process.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 64c5be8f-16a1-4a17-ada2-9480d196eb42

📥 Commits

Reviewing files that changed from the base of the PR and between 0245c31 and 58b19e4.

📒 Files selected for processing (1)

• backend/build_binary.py

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📝 Walkthrough

Walkthrough

Build configuration change in backend/build_binary.py that replaces selective PyInstaller collection directives with a comprehensive --collect-all option for qwen_tts, accompanied by a comment clarifying the need to include Python source files in the bundle.

Changes

Cohort / File(s)	Summary
PyInstaller Bundle Configuration backend/build_binary.py	Replaced separate --collect-submodules and --collect-data arguments for qwen_tts with single --collect-all option; added explanatory comment about bundling .py source files.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Poem

🐰 A bundler's joy, files now complete,
No missing modules on disk—sweet!
Collect-all ensures the source stays tight,
PyInstaller bundles everything right ✨

✨ Finishing Touches

• 📝 Generate docstrings (stacked PR)
• 📝 Generate docstrings (commit on current branch)

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/qwen-tts-pyinstaller-source-files

📝 Coding Plan

• Generate coding plan for human review comments

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