feat(3 U2-scaffold): summary card + level/status SVG badge renderers (offline; pure)

harness/card.py: render_badge_svg/level_badge_svg (shields-style SVG, colour-by-level, R6) +
render_card_html (recipe+version, level badge, per-stage/per-test ✔/✘ table, embedded screenshot,
invariant flags — REPORTS results.json verbatim, never recomputes; cardinal no-inflation guardrail)
+ render_card_png (best-effort Playwright HTML->PNG, R7). 8 pure unit tests. Orchestrator wiring +
stable-URL serving + live PNG demo come after U0 PASSes.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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"""Phase 3 — summary card + level/status badge rendering (plan-phase3-results-ux.md §4.2, R3/R6/U2).
Two render layers, both PURE string builders (unit-testable, deterministic) plus a thin best-effort
Playwright PNG step:
- `render_badge_svg(...)` → shields-style SVG: "cc-ci | level N" (or a status word), colour by level.
- `render_card_html(data)` → an HTML results card (recipe+version, the level badge, a per-stage /
per-test ✔/✘ table, and the embedded app screenshot) from a results.json
dict. Deterministic inline CSS + a relative screenshot.png ref so it
renders offline (file://) with no external assets.
- `render_card_png(...)` → screenshot the HTML card to PNG via the harness Playwright browser.
Best-effort: returns None on any failure (cosmetics never block, R7).
The card REPORTS results.json verbatim — it must never present a run greener than its tests
(cardinal guardrail, plan §6). The level + ✔/✘ shown are read straight from the data this module is
handed; it computes nothing.
"""
from __future__ import annotations
import html
import os
# Level → colour ramp (YunoHost-ish): red at the floor, climbing to green at the top.
LEVEL_COLOR = {
0: "#e5534b", # red — install failed
1: "#e0823d", # orange
2: "#e0823d",
3: "#d9b343", # amber
4: "#a0b93f", # yellow-green
5: "#57ab5a", # green
6: "#3fb950", # bright green — full climb
}
STATUS_MARK = {"pass": "", "fail": "", "skip": "", "error": "", "na": ""}
STATUS_COLOR = {
"pass": "#3fb950",
"fail": "#f85149",
"error": "#f85149",
"skip": "#8b949e",
"na": "#8b949e",
}
def level_color(level: int) -> str:
return LEVEL_COLOR.get(int(level), "#8b949e")
def _text_width(s: str) -> int:
"""Rough px width for a Verdana-11 label (badge sizing); good enough for shields-style boxes."""
return 7 * len(s) + 10
def render_badge_svg(label: str, message: str, color: str) -> str:
"""A two-box shields-style SVG badge (left grey label, right coloured message)."""
lw = _text_width(label)
mw = _text_width(message)
w = lw + mw
return (
f'<svg xmlns="http://www.w3.org/2000/svg" width="{w}" height="20" role="img" '
f'aria-label="{html.escape(label)}: {html.escape(message)}">'
f'<rect width="{lw}" height="20" fill="#555"/>'
f'<rect x="{lw}" width="{mw}" height="20" fill="{color}"/>'
f'<g fill="#fff" font-family="Verdana,Geneva,sans-serif" font-size="11">'
f'<text x="6" y="14">{html.escape(label)}</text>'
f'<text x="{lw + 6}" y="14">{html.escape(message)}</text></g></svg>'
)
def level_badge_svg(level: int, cap_reason: str = "") -> str:
"""Per-recipe/-run LEVEL badge: 'cc-ci | level N'. Colour by level (R6)."""
msg = f"level {int(level)}"
return render_badge_svg("cc-ci", msg, level_color(level))
def _stage_rows(stages: list[dict]) -> str:
rows = []
for st in stages:
smark = STATUS_MARK.get(st.get("status", ""), "?")
scolor = STATUS_COLOR.get(st.get("status", ""), "#8b949e")
rows.append(
f'<tr class="stage"><td colspan="2"><span class="mark" style="color:{scolor}">{smark}</span>'
f'<b>{html.escape(st.get("name", "?"))}</b></td>'
f'<td class="st" style="color:{scolor}">{html.escape(st.get("status", ""))}</td></tr>'
)
for t in st.get("tests", []):
tmark = STATUS_MARK.get(t.get("status", ""), "?")
tcolor = STATUS_COLOR.get(t.get("status", ""), "#8b949e")
ms = t.get("ms", 0)
rows.append(
f'<tr class="test"><td class="tmark" style="color:{tcolor}">{tmark}</td>'
f'<td class="tname">{html.escape(t.get("name", "?"))}</td>'
f'<td class="tms">{ms} ms</td></tr>'
)
return "\n".join(rows) or '<tr><td colspan="3">no stages</td></tr>'
def render_card_html(data: dict, screenshot_rel: str | None = "screenshot.png") -> str:
"""Build the summary-card HTML from a results.json dict. `screenshot_rel` is the relative path to
the screenshot PNG (same dir as the card) — omitted from the card if None / absent.
The card shows exactly what the data says: recipe + version, the level badge + cap reason, the
per-stage/per-test ✔/✘ table, the invariant flags, and the app screenshot. No computation here."""
recipe = html.escape(str(data.get("recipe", "?")))
version = html.escape(str(data.get("version") or data.get("ref") or ""))
level = int(data.get("level", 0))
cap = html.escape(str(data.get("level_cap_reason") or ""))
color = level_color(level)
flags = data.get("flags", {}) or {}
flag_bits = []
for key, lbl in (("clean_teardown", "clean teardown"), ("no_secret_leak", "no secret leak")):
ok = bool(flags.get(key))
flag_bits.append(
f'<span class="flag" style="border-color:{"#3fb950" if ok else "#f85149"}">'
f'{STATUS_MARK["pass"] if ok else STATUS_MARK["fail"]} {lbl}</span>'
)
show_shot = bool(screenshot_rel) and bool(data.get("screenshot"))
shot_html = (
f'<div class="shot"><img src="{html.escape(screenshot_rel)}" alt="app screenshot"/></div>'
if show_shot
else '<div class="shot noshot">no screenshot</div>'
)
rows = _stage_rows(data.get("stages", []))
return f"""<!doctype html><html><head><meta charset="utf-8"><style>
*{{box-sizing:border-box}}
body{{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:#0d1117;color:#c9d1d9}}
.card{{width:900px;background:#161b22;border:1px solid #30363d;border-radius:12px;overflow:hidden}}
.hd{{display:flex;align-items:center;gap:1rem;padding:1.1rem 1.3rem;border-bottom:1px solid #30363d}}
.flower{{font-size:1.8rem}}
.title{{flex:1}}
.title h1{{margin:0;font-size:1.4rem}}
.title .ver{{color:#8b949e;font-size:.9rem}}
.lvl{{text-align:center}}
.lvl .num{{display:inline-block;min-width:64px;padding:.3rem .7rem;border-radius:10px;
font-size:1.6rem;font-weight:700;color:#0d1117;background:{color}}}
.lvl .lbl{{display:block;color:#8b949e;font-size:.72rem;text-transform:uppercase;margin-top:.2rem}}
.cap{{padding:.4rem 1.3rem;color:#8b949e;font-size:.82rem;border-bottom:1px solid #21262d}}
.body{{display:flex;gap:1rem;padding:1rem 1.3rem}}
.tbl{{flex:1}}
table{{border-collapse:collapse;width:100%;font-size:.85rem}}
td{{padding:.18rem .4rem;border-bottom:1px solid #21262d}}
tr.stage td{{padding-top:.5rem;border-bottom:1px solid #30363d}}
.mark{{font-weight:700;margin-right:.4rem}}
.st{{text-align:right;text-transform:uppercase;font-size:.74rem}}
.test .tmark{{width:1.4rem;text-align:center}}
.test .tname{{color:#c9d1d9;font-family:ui-monospace,monospace;font-size:.8rem}}
.test .tms{{text-align:right;color:#8b949e;font-size:.74rem;width:5rem}}
.shot{{width:360px;flex:none;border:1px solid #30363d;border-radius:8px;overflow:hidden;background:#0d1117}}
.shot img{{width:100%;display:block}}
.shot.noshot{{display:flex;align-items:center;justify-content:center;height:225px;color:#8b949e;font-size:.85rem}}
.flags{{display:flex;gap:.6rem;padding:.6rem 1.3rem 1rem}}
.flag{{border:1px solid;border-radius:6px;padding:.15rem .5rem;font-size:.78rem;color:#c9d1d9}}
</style></head><body><div class="card">
<div class="hd"><span class="flower">🌻</span>
<div class="title"><h1>{recipe}</h1><span class="ver">{version}</span></div>
<div class="lvl"><span class="num">{level}</span><span class="lbl">level</span></div></div>
<div class="cap">{("" + cap) if cap else "🏆 full clean climb (level 6)"}</div>
<div class="body"><div class="tbl"><table>{rows}</table></div>{shot_html}</div>
<div class="flags">{"".join(flag_bits)}</div>
</div></body></html>"""
def render_card_png(html_path: str, out_png: str) -> str | None:
"""Render an HTML card file to PNG via Playwright (screenshot the .card element). Best-effort:
returns out_png on success, None on any failure (cosmetics never block the pipeline, R7)."""
try:
from playwright.sync_api import sync_playwright
except ImportError: # pragma: no cover
return None
try:
with sync_playwright() as p:
browser = p.chromium.launch(args=["--no-sandbox"])
try:
page = browser.new_context(
viewport={"width": 980, "height": 700}, device_scale_factor=2
).new_page()
page.goto(f"file://{os.path.abspath(html_path)}", wait_until="networkidle")
el = page.query_selector(".card")
(el or page).screenshot(path=out_png)
finally:
browser.close()
return out_png if os.path.exists(out_png) and os.path.getsize(out_png) > 0 else None
except Exception as e: # noqa: BLE001 — cosmetic; never fail a run (R7)
print(f" card: PNG render failed (non-fatal): {e}", flush=True)
return None

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"""Unit tests for the pure card/badge renderers (harness.card), Phase 3 U2 (R3/R6).
Covers the deterministic HTML + SVG string builders (the PNG step needs Playwright + is exercised in
the U2 live demo). The cardinal check: the card REPORTS the data verbatim — level/marks come straight
from the dict, never recomputed. Run cold: cc-ci-run -m pytest tests/unit/test_card.py -q
"""
from __future__ import annotations
import os
import sys
sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "..", "runner"))
from harness import card as C # noqa: E402
def _data(level=4, cap="L5 integration (SSO/OIDC + cross-app) N/A"):
return {
"recipe": "uptime-kuma",
"version": "1.23.0",
"level": level,
"level_cap_reason": cap,
"flags": {"clean_teardown": True, "no_secret_leak": True},
"screenshot": "screenshot.png",
"stages": [
{
"name": "install",
"status": "pass",
"tests": [{"name": "test_serving", "status": "pass", "ms": 168}],
},
{
"name": "custom",
"status": "fail",
"tests": [
{"name": "test_health", "status": "pass", "ms": 17},
{"name": "test_broken", "status": "fail", "ms": 5},
],
},
],
}
def test_level_color_ramp():
assert C.level_color(0) != C.level_color(6)
assert C.level_color(6) == "#3fb950"
assert C.level_color(99) == "#8b949e" # unknown → grey
def test_badge_svg_wellformed():
svg = C.level_badge_svg(4)
assert svg.startswith("<svg") and svg.endswith("</svg>")
assert "level 4" in svg
assert C.level_color(4) in svg
def test_card_html_reports_level_verbatim():
html = C.render_card_html(_data(level=2, cap="L3 backup/restore (data integrity) N/A"))
assert "uptime-kuma" in html
assert "1.23.0" in html
# the level shown is exactly what was passed (no recompute)
assert ">2<" in html
assert "L3 backup/restore" in html
assert C.level_color(2) in html
def test_card_html_shows_stage_and_test_marks():
html = C.render_card_html(_data())
assert "install" in html and "custom" in html
assert "test_serving" in html and "test_broken" in html
assert C.STATUS_MARK["pass"] in html and C.STATUS_MARK["fail"] in html
def test_card_html_flags_rendered():
html = C.render_card_html(_data())
assert "clean teardown" in html and "no secret leak" in html
def test_card_html_no_screenshot_placeholder():
d = _data()
d["screenshot"] = None
html = C.render_card_html(d)
assert "no screenshot" in html
def test_card_html_escapes_recipe_name():
d = _data()
d["recipe"] = "<script>x</script>"
html = C.render_card_html(d)
assert "<script>x" not in html
assert "&lt;script&gt;" in html