Momentum Permission + VWAP + RelVol (Clean)

//version=5
indicator("Momentum Permission + VWAP + RelVol (Clean)", overlay=true)

// ──────────────────────────────────────────────
// Inputs
// ──────────────────────────────────────────────
smaLength = input.int(50, "SMA Length")
relVolThresh = input.float(1.3, "Relative Volume Threshold")

// ──────────────────────────────────────────────
// Core Calculations
// ──────────────────────────────────────────────
sma50 = ta.sma(close, smaLength)
vwap = ta.vwap(close)
relVol = volume / ta.sma(volume, 10)
crossUp = ta.crossover(close, sma50)

// Trend conditions
aboveSMA = close > sma50
aboveVWAP = close > vwap
relStrong = relVol > relVolThresh

// ──────────────────────────────────────────────
// One-Time Daily Trend Permission Logic
// ──────────────────────────────────────────────
var bool permission = false

// Reset permission at start of each session
if ta.change(time("D"))
permission := false

trendStart = crossUp and aboveVWAP and relStrong and not permission

if trendStart
permission := true

// ──────────────────────────────────────────────
// Entry Trigger Logic (Breakout Continuation)
// ──────────────────────────────────────────────
entryTrigger = (
permission and
aboveSMA and
aboveVWAP and
relStrong and
close > high[1] // breakout of prior candle high
)

// ──────────────────────────────────────────────
// Plots
// ──────────────────────────────────────────────

// Trend filters
plot(sma50, title="SMA50", color=color.orange, linewidth=2)
plot(vwap, title="VWAP", color=color.new(color.blue, 0), linewidth=2)

// Permission (one-time trend start)
plotshape(
trendStart,
title="Trend Permission",
style=shape.triangleup,
location=location.belowbar,
color=color.new(color.green, 0),
size=size.large,
text="PERMIT"
)

// Entry trigger (continuation entry)
plotshape(
entryTrigger,
title="Entry Trigger",
style=shape.triangleup,
location=location.abovebar,
color=color.new(color.aqua, 0),
size=size.normal,
text="ENTRY"
)