One report builder (HTML/PDF) shared by CLI and app

[github-actions]

Topic GUID: a445f4c6-6d4b-5807-b82f-8ecd7120a486

Why

Summary
Single report generator producing HTML and optional PDF with the same content users see in the app.
Scope / Tasks
Sections: executive summary; metrics table; turnover/exposure charts; parameter summary; caveats.
Deterministic narrative paragraph from BacktestResult and specs (no LLM).
CLI --output path and Streamlit “Download report” button.
Include a small “Past performance…” footer.

Tasks

Not provided.

Acceptance criteria

Running the CLI produces an HTML report identical to the app download.

Implementation notes

Not provided.

---

Synced by workflow run.

[stranske-automation-bot]

Branch agents/codex-issue-1683-18216099804 created from phase-2-dev.

Please open the PR as the author so Codex can work on it:

• Compare link: https://github.com/stranske/Trend_Model_Project/compare/phase-2-dev...agents/codex-issue-1683-18216099804?expand=1
• Suggested title: Codex bootstrap for #1683
• Suggested body (copy/paste):

### Source Issue #1683: One report builder (HTML/PDF) shared by CLI and app

Source: https://github.com/stranske/Trend_Model_Project/issues/1683

> Topic GUID: a445f4c6-6d4b-5807-b82f-8ecd7120a486
> 
> ## Why
> Summary
> Single report generator producing HTML and optional PDF with the same content users see in the app.
> Scope / Tasks
>  Sections: executive summary; metrics table; turnover/exposure charts; parameter summary; caveats.
>  Deterministic narrative paragraph from BacktestResult and specs (no LLM).
>  CLI --output path and Streamlit “Download report” button.
>  Include a small “Past performance…” footer.
> 
> ## Tasks
> _Not provided._
> 
> ## Acceptance criteria
> Running the CLI produces an HTML report identical to the app download.
> 
> ## Implementation notes
> _Not provided._
> 
> ---
> Synced by [workflow run](https://github.com/stranske/Trend_Model_Project/actions/runs/18096244697).

—
(After opening the PR, comment with `@codex start`.)

[stranske-automation-bot]

Opened PR #1937 to engage Codex. Track work there.

[stranske-automation-bot]

Opened PR #1951 to engage Codex. Track work there.

[github-actions]

Opened PR #1952 to engage Codex. Track work there.