[{"type":"thinking","thinking":"Now I have the full picture:\n\n1. **Resources atlas (.txt notes)**: use real LaTeX (`$$\\lambda_n = ...$$`, `\\frac`, `\\Bigg|`). These go through `render_markdown` (MD_COLLECTIONS maps resources → .txt) — so they get math-protected + markdown + MathJax. These *should* render... IF the protection regex works and MathJax loads.\n\n2. **Research agent's own files (results, derivations, graveyard, journal)**: written in **plain Unicode math** (≤, ², ζ′, subscript ₀) — no `$...$`. MathJax does nothing; they render as plain text. This is by design of the archive (plain Markdown readable in git), so \"formatting\" there is just text.\n\nWait, but the user says math doesn't look formatted correctly on ALL those pages. Two separate issues:\n\n**Issue A**: On resources pages (LaTeX), does MathJax actually typeset? Need to verify. Possible bugs:\n- The `_MATH_RE` — check: `(\\$\\$.*?\\$\\$|\\\\\\[.*?\\\\\\]|\\\\\\(.*?\\\\\\)|\\$[^$\\n]+?\\$)` with re.S. For `$$\\lambda_n \\geq 0 \\quad \\text{for every } n = 1, 2, 3, \\ldots$$` — matches `\\$\\$.*?\\$\\$` non-greedy. OK.\n- BUT: python-markdown processes the stashed text. Placeholder `@@MATH0@@` — fine. Then restore. Then MathJax typesets `$$...$$` on page load. Should work.\n- One problem: inside `$$...$$` there's `\\text{for every }` with trailing space — fine.\n- Potential problem: `@@MATH0@@` placeholders could get mangled when math appears inside a heading or blockquote? The `>` blockquote in the Li note: math inside blockquote lines — stash happens before markdown, fine.\n- Real potential problem: MathJax tex-chtml `defer` — typesets at load. OK.\n- BUT what about `\\\\Bigg|` etc. — MathJax handles.\n- What about `\\tfrac` — MathJax handles.\n\nSo resources pages might actually render fine. But the user listed: \"results ledger, experiments, derivations, graveyard, journal and etc...\" — notably NOT resources. Those are the agent-written files with Unicode math. So what the user sees as \"not formatted correctly\" is: math appears as plain text with Unicode symbols instead of typeset equations.\n\nHmm wait, but also experiments and ledger pages — those are db/sidecar-driven cards with text fields that may contain Unicode math too (e.g., \"λ_n > 0 for all n ≤ 3000\"). The ledger page shows claims with tags — plain text.\n\nSo the answer to the user's question:\n- The site loads MathJax 3.2.2 (vendored tex-chtml) and configures `$...$`/`$$...$$` delimiters.\n- BUT the research archive (results/derivations/graveyard/journal — the agent's own notes) is written in plain Unicode math, NOT LaTeX. So there is nothing for MathJax to typeset there — pages show raw Unicode text math like `|r(w)| ≤ 1.2/|w|²`.\n- The resources atlas notes DO contain LaTeX and should be typeset by MathJax — need to verify on the live server (which is currently down).\n\nLet me verify the resources rendering actually works by starting the server (healthcheck --restart per protocol) and curling a resources page to check the HTML contains $$ and MathJax script loads. Actually I can check the rendered HTML offline — but MathJax typesetting is client-side; I can't verify visually via curl. I can at least confirm the HTML has intact `$$...$$` spans (not mangled by markdown) and that the script tag points to an existing file.\n\nActually — wait. There's one more potential bug I should check in the protection regex: `\\$[^$\\n]+?\\$` — inline math can't contain newlines, OK. But consider a .txt note with currency or stray `$`... rare.\n\nA bigger concern: in the Li note there's `\\Bigg|` and `\\left(1 - \\frac{1}{\\rho}\\right)^n` — all fine for MathJax.\n\nBUT here's a classic python-markdown + math bug even with protection: the placeholder `@@MATH0@@` is safe, but when math is *inside* a heading line `### Jeffrey B. Keiper (1992) — the precursor` — no math there. Fine.\n\nAnother classic: `$$\\lambda_n = \\sum_{\\rho}\\left[1 - \\left(1 - \\frac{1}{\\rho}\\right)^n\\right]$$` — the `\\$\\$.*?\\$\\$` regex: non-greedy `.*?` with re.S — matches up to first `$$`. Since these notes consistently use paired `$$`, fine. Mismatch only if odd count of `$$`.\n\nOK let me now:\n1. Restart server via healthcheck (per §6.1 protocol).\n2. Curl a resources page and check the HTML for intact math spans + check app.js polling doesn't clobber.\n\nAlso check: does the experiments page render sidecar text with render_markdown? And ledger_detail uses render_markdown? Let me check views.py quickly for how ledger detail renders results files (results/*.md are Unicode math anyway).\n\nActually, let me focus. The user's core question: \"are we using mathjax or latex?\" Answer: MathJax (client-side), but the agent-written archive uses Unicode math so nothing typesets there. The fix options:\n\n**Option 1 (display-only, no archive changes)**: Convert Unicode math → LaTeX at render time in research_data.py. That's a huge, error-prone undertaking (parse Unicode math heuristically). NOT recommended.\n\n**Option 2**: Accept Unicode math as-is but improve its presentation: use a font with good math Unicode coverage (e.g., \"STIX Two Math\", \"Noto Sans Math\", or fallbacks), style `<p class=md>` with monospace-ish alignment for formula lines? Modest improvement.\n\n**Option 3**: The research agent (me, in research sessions) writes future files with LaTeX `$...$` math — but that changes the research archive conventions; the archive is plain-Markdown-first. Would need user directive, and it affects 87+ existing files — conversion would be a research-side decision.\n\nHmm wait — actually, let me reconsider. The user (via website) sees ugly math. The RIGHT fix depends on what they want:\n- If they want typeset equations on the website for the agent's files, someone must convert Unicode→LaTeX. Could be done as a one-time display-layer transform? Honestly, the Unicode math in these files is semi-structured but full of prose mixes (\"|r(w)| ≤ 1.2/|w|²\" inline in sentences). Auto-conversion is risky.\n\nBut wait — maybe I should check more carefully what the pages actually look like. Let me start the server and fetch pages, then I can show the user exactly what's happening. Also, I recall there's a home.html \"latest result\" card and dashboard — do they contain math? The user explicitly listed ledger/experiments/derivations/graveyard/journal.\n\nLet me start the server per protocol and curl pages. Then decide with the user which approach.\n\nActually also worth checking: the resources pages on the live site — do they typeset? I can verify the HTML delivery; actual typesetting is browser-side. I could use a headless check... too heavy. The HTML check suffices: if `$$...$$` spans are intact in the HTML and the MathJax script tag is correct, resources should typeset.\n\nLet me run healthcheck --restart (per §6.1), then curl.","signature":""},{"type":"text","text":"Now let me restart the server (it was down) and verify the live pages."},{"type":"tool_use","id":"Bash_21","name":"Bash","input":{"command":"cd D:/Python/Quantum && ./.venv/Scripts/python.exe web/healthcheck.py --restart 2>&1 | tail -25","description":"Run website healthcheck with restart per ops protocol"},"extra_content":null}]