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Chris Amow 8ca624d435 Add prior-day levels and session VWAP; fix alert repetition they exposed 
The confluence engine had nothing to work with. Daily moving averages were the
only level source, and they sat 163 to 697 points from price, so every cluster
had exactly one member and no alert could ever fire.

Two new sources, chosen for having a real following — the engine is a bet that
many participants watch the same price, which is what makes a level hold:

- Prior day high/low/close, from the last *closed* daily bar so mid-session the
  levels do not silently switch to today's own developing range. Full daily
  weight rather than the 0.75 average discount: a traded high is structure, not
  a derived average.
- Session VWAP, anchored to the 18:00 ET open like the daily bars. Institutional
  execution is benchmarked against it, and zero-volume overnight minutes are
  skipped rather than dividing by zero.

Both are stamped 1d, so they get their own colours to stay distinguishable from
the daily averages. Prior-day levels draw as price lines, which span the chart
and label the axis instead of relying on bar-index interpolation.

VWAP re-prices every minute while a daily average carries hundreds of points and
changes once a session, so broadcasting the whole level set on the VWAP cadence
would have pushed the entire history every minute. Levels now go out as a delta
that clients merge by id.

Adding the levels then exposed two defects that had been invisible while nothing
could cluster:

- Cluster identity was sha1(side + round(center / tolerance)), and tolerance
  derives from ATR, so it changed every bar. The same zone was continually
  issued a new id, never matched the cooldown table, and the cooldown did
  nothing. Identity is now the set of converging levels.
- Alert suppression keyed on that identity, so a level drifting in or out of a
  group read as a new zone. It now suppresses by proximity: two zones within an
  ATR are the same zone, and the strongest is the one reported.

Over six replayed sessions at threshold 28 that is 247 alerts, then 54, then 40;
raising the cooldown to 4h — which only affects repeats of the same area, never
a genuinely new zone — gives 17 total with a worst session of 9.

calibrate_alerts.py now sweeps threshold and cooldown together in one pass,
since the threshold turns out to be quantised and nearly useless as a control.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-10 00:36:21 -05:00

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CSS
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:root { color-scheme:light; --bg:#e8dfcf; --panel:#f7f1e6; --chart-bg:#fbf7ef; --fg:#2c2924; --muted:#746c60; --line:#d2c5b2; --accent:#b7771d; --green:#27825c; --red:#bd4545; }
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font:14px/1.45 "IBM Plex Mono", "SFMono-Regular", Consolas, monospace; }
#app { min-height:100vh; padding:18px; }
header { height:64px; display:flex; align-items:center; justify-content:space-between; border-bottom:1px solid var(--line); margin-bottom:16px; }
h1 { margin:0; font-size:22px; letter-spacing:-1px; } h1 strong { color:var(--accent); font-weight:600; }
.eyebrow { color:var(--muted); font-size:9px; letter-spacing:2px; }
.status { text-transform:uppercase; color:var(--muted); font-size:11px; }.status i { display:inline-block; width:7px; height:7px; border-radius:50%; background:var(--red); margin-right:8px; }.status.connected i,.status.replay i { background:var(--green); box-shadow:0 0 9px var(--green); }
main { display:grid; grid-template-columns:minmax(0, 1fr) 300px; gap:16px; }
.chart-shell,aside { background:var(--panel); border:1px solid var(--line); }
.chart-head { min-height:56px; padding:10px 14px; display:flex; align-items:center; justify-content:space-between; gap:12px; border-bottom:1px solid var(--line); }
.symbol { font-weight:700; margin-right:14px; }.price { color:var(--accent); font-size:19px; }
button { border:1px solid var(--line); background:transparent; color:var(--muted); padding:6px 11px; font:inherit; cursor:pointer; }button.active { color:var(--bg); background:var(--accent); border-color:var(--accent); }
.timeframes { display:flex; flex-wrap:wrap; justify-content:flex-end; }.timeframes button+button { border-left:0; }
.drawing-tools { min-height:38px; padding:5px 12px; display:flex; align-items:center; gap:9px; border-bottom:1px solid var(--line); color:var(--muted); font-size:10px; }.drawing-tools button,.drawing-tools select,.drawing-tools .line-name { padding:4px 8px; font-size:10px; }.drawing-tools select,.drawing-tools .line-name { background:var(--panel); color:var(--fg); border:1px solid var(--line); }.drawing-tools .line-name { width:130px; font:inherit; }.drawing-tools label { display:flex; gap:4px; align-items:center; }.drawing-tools input { accent-color:var(--accent); }
#chart { position:relative; height:calc(100vh - 190px); min-height:420px; }.chart-preview,.chart-handles { position:absolute; inset:0; width:100%; height:100%; overflow:hidden; pointer-events:none; }.chart-preview { z-index:4; }.chart-handles { z-index:6; }.chart-preview line[hidden],.chart-anchor[hidden] { display:none; }.chart-anchor { stroke:var(--panel); stroke-width:2px; cursor:grab; pointer-events:all; touch-action:none; }.chart-anchor:active { cursor:grabbing; }.chart-tooltip { position:absolute; z-index:5; padding:4px 7px; border:1px solid var(--line); background:var(--panel); color:var(--fg); font-size:10px; pointer-events:none; }.chart-tooltip[hidden] { display:none; }
.chart-context-menu { position:absolute; z-index:8; width:165px; padding:4px; border:1px solid var(--line); background:var(--panel); box-shadow:0 5px 18px color-mix(in srgb,var(--fg) 15%,transparent); }.chart-context-menu[hidden] { display:none; }.chart-context-menu button { width:100%; padding:6px 8px; text-align:left; color:var(--fg); font-size:10px; }
.statusbar { min-height:34px; display:flex; align-items:center; gap:24px; padding:6px 13px; border-top:1px solid var(--line); color:var(--muted); font-size:10px; }.statusbar b { color:var(--fg); text-transform:uppercase; }
aside { padding:16px; }h2 { margin:0 0 12px; color:var(--muted); font-size:11px; text-transform:uppercase; letter-spacing:1.3px; }h2:not(:first-child) { margin-top:30px; }.empty { border-left:2px solid var(--line); padding:10px 12px; color:var(--muted); font-size:11px; }
.sidebar-section { margin-top:30px; }.sidebar-section summary { margin-bottom:12px; color:var(--muted); font-size:11px; text-transform:uppercase; letter-spacing:1.3px; cursor:pointer; user-select:none; }.sidebar-section:not([open]) summary { margin-bottom:0; }
.trendline-actions { display:flex; gap:5px; margin-bottom:7px; }.trendline-actions button { flex:1; padding:4px; font-size:9px; }.trendline-row { display:grid; grid-template-columns:auto minmax(0,1fr) auto; gap:5px 8px; padding:7px; border:1px solid transparent; }.trendline-row.selected { border-color:var(--accent); }.trendline-row>.line-select { align-self:center; accent-color:var(--accent); }.trendline-row>input:not(.line-select) { min-width:0; border:0; border-bottom:1px solid var(--line); background:transparent; color:var(--fg); font:inherit; font-size:11px; }.trendline-row span { grid-column:2; color:var(--muted); font-size:9px; text-transform:uppercase; }.trendline-row button { grid-column:3; grid-row:1; padding:3px 6px; font-size:9px; }.line-style-controls { grid-column:3; display:flex; align-items:center; gap:4px; }.line-style-controls input { width:24px; height:20px; padding:0; border:0; background:transparent; }.line-style-controls select { border:1px solid var(--line); background:var(--panel); color:var(--fg); font-size:9px; }
.layer-group { padding:9px 0; border-bottom:1px solid var(--line); display:grid; gap:7px; }.layer-group label,.score-hidden { display:flex; align-items:center; gap:7px; font-size:11px; cursor:pointer; }.layer-group input,.score-hidden input { accent-color:var(--accent); }.periods { display:flex; flex-wrap:wrap; gap:10px; padding-left:22px; }.periods label { color:var(--muted); }.swatch { width:13px; height:3px; display:inline-block; background:var(--muted); }.tf-1d { background:#d96073; }.tf-4h { background:#ec7b42; }.tf-1h { background:#efb643; }.manual { background:#65b7cf; }.vwap { background:#b07ad6; }.horizontal { background:#9fb0c4; }.optional { color:var(--muted); }.disabled { opacity:.45; }.score-hidden { margin-top:11px; color:var(--muted); line-height:1.25; }
.cluster { margin:8px 0; padding:10px; border:1px solid var(--line); border-left:3px solid var(--green); background:var(--chart-bg); }.cluster.resistance { border-left-color:var(--red); }.cluster-top { display:flex; justify-content:space-between; text-transform:uppercase; font-size:10px; }.cluster-top strong { color:var(--accent); font-size:16px; }.zone { margin:4px 0; font-size:15px; }.members,.distance { color:var(--muted); font-size:9px; }.distance { margin-top:5px; }.alert-entry { white-space:pre-line; margin:8px 0; padding:9px; background:color-mix(in srgb,var(--accent) 8%,transparent); font-size:10px; }.alert-entry time { display:block; color:var(--accent); margin-bottom:4px; }
@media (max-width:850px) { #app { padding:10px; }.chart-shell { min-width:0; }main { grid-template-columns:1fr; }.drawing-tools { flex-wrap:wrap; }.drawing-tools .line-name { width:110px; }#chart { height:55vh; min-height:360px; }aside { min-height:180px; }header { height:54px; }.chart-head { align-items:flex-start; flex-direction:column; }.timeframes { justify-content:flex-start; }.timeframes button { padding:5px 8px; } }
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