diff --git a/web/src/components/ChatControl.tsx b/web/src/components/ChatControl.tsx
index 8a45cb1..e441255 100644
--- a/web/src/components/ChatControl.tsx
+++ b/web/src/components/ChatControl.tsx
@@ -1,4 +1,5 @@
 import { useState, useRef, useEffect, useMemo } from 'react';
+import type { ChangeEvent } from 'react';
 import { createPortal } from 'react-dom';
 import { tradingRuntime } from '../lib/runtime';
 import { getPlatformAccessToken } from '../lib/authSession';
@@ -561,7 +562,7 @@ export const ChatControl = ({ profiles, onApplyProfile }: ChatControlProps) => {
                                                 <div className="text-[10px] text-[var(--muted-foreground)] uppercase tracking-wider font-bold">Edit Parameters Before Apply</div>
                                                 <Input
                                                     value={activeProfileData?.name || ''}
-                                                    onChange={(e) => updateDraftField(msg.id, 'name', e.target.value)}
+                                                    onChange={(e: ChangeEvent<HTMLInputElement>) => updateDraftField(msg.id, 'name', e.target.value)}
                                                     placeholder="Profile Name"
                                                     className="w-full rounded-lg px-2.5 py-1.5 text-[11px] outline-none"
                                                     style={inputStyle}
@@ -572,7 +573,7 @@ export const ChatControl = ({ profiles, onApplyProfile }: ChatControlProps) => {
                                                         min="0"
                                                         step="1"
                                                         value={activeProfileData?.allocated_capital ?? ''}
-                                                        onChange={(e) => updateDraftField(msg.id, 'allocated_capital', e.target.value)}
+                                                        onChange={(e: ChangeEvent<HTMLInputElement>) => updateDraftField(msg.id, 'allocated_capital', e.target.value)}
                                                         placeholder="Capital"
                                                         className="w-full rounded-lg px-2.5 py-1.5 text-[11px] outline-none"
                                                         style={inputStyle}
@@ -582,7 +583,7 @@ export const ChatControl = ({ profiles, onApplyProfile }: ChatControlProps) => {
                                                         min="0"
                                                         step="0.1"
                                                         value={activeProfileData?.risk_per_trade_percent ?? ''}
-                                                        onChange={(e) => updateDraftField(msg.id, 'risk_per_trade_percent', e.target.value)}
+                                                        onChange={(e: ChangeEvent<HTMLInputElement>) => updateDraftField(msg.id, 'risk_per_trade_percent', e.target.value)}
                                                         placeholder="Risk %"
                                                         className="w-full rounded-lg px-2.5 py-1.5 text-[11px] outline-none"
                                                         style={inputStyle}
@@ -590,7 +591,7 @@ export const ChatControl = ({ profiles, onApplyProfile }: ChatControlProps) => {
                                                 </div>
                                                 <Input
                                                     value={activeProfileData?.symbols || ''}
-                                                    onChange={(e) => updateDraftField(msg.id, 'symbols', e.target.value)}
+                                                    onChange={(e: ChangeEvent<HTMLInputElement>) => updateDraftField(msg.id, 'symbols', e.target.value)}
                                                     placeholder="Symbols (e.g. BTC/USDT,ETH/USDT)"
                                                     className="w-full rounded-lg px-2.5 py-1.5 text-[11px] outline-none"
                                                     style={inputStyle}
@@ -599,7 +600,7 @@ export const ChatControl = ({ profiles, onApplyProfile }: ChatControlProps) => {
                                                     <span className="text-[10px] text-[var(--muted-foreground)] uppercase tracking-wider">Auto Trading</span>
                                                     <Select
                                                         value={activeProfileData?.is_active === false ? 'false' : 'true'}
-                                                        onChange={(e) => updateDraftField(msg.id, 'is_active', e.target.value === 'true')}
+                                                        onChange={(e: ChangeEvent<HTMLSelectElement>) => updateDraftField(msg.id, 'is_active', e.target.value === 'true')}
                                                         className="rounded px-2 py-1 text-[10px] outline-none"
                                                         style={inputStyle}
                                                         options={[
@@ -709,11 +710,11 @@ export const ChatControl = ({ profiles, onApplyProfile }: ChatControlProps) => {
                                         border: '1px solid var(--border)',
                                         cursor: 'pointer',
                                     }}
-                                    onMouseEnter={e => {
+                                    onMouseEnter={(e: React.MouseEvent<HTMLButtonElement>) => {
                                         e.currentTarget.style.borderColor = 'var(--ring)';
                                         e.currentTarget.style.background = 'var(--accent-soft)';
                                     }}
-                                    onMouseLeave={e => {
+                                    onMouseLeave={(e: React.MouseEvent<HTMLButtonElement>) => {
                                         e.currentTarget.style.borderColor = 'var(--border)';
                                         e.currentTarget.style.background = 'var(--card)';
                                     }}
@@ -755,7 +756,7 @@ export const ChatControl = ({ profiles, onApplyProfile }: ChatControlProps) => {
                         <Textarea
                             ref={inputRef}
                             value={input}
-                            onChange={e => setInput(e.target.value)}
+                            onChange={(e: ChangeEvent<HTMLTextAreaElement>) => setInput(e.target.value)}
                             onKeyDown={handleKeyDown}
                             placeholder="Describe a strategy profile..."
                             disabled={isLoading}
diff --git a/web/src/components/Login.tsx b/web/src/components/Login.tsx
index 667814a..202e27a 100644
--- a/web/src/components/Login.tsx
+++ b/web/src/components/Login.tsx
@@ -56,7 +56,7 @@ export function Login() {
               label="Email"
               type="email"
               value={email}
-              onChange={(e) => setEmail(e.target.value)}
+              onChange={(e: React.ChangeEvent<HTMLInputElement>) => setEmail(e.target.value)}
               placeholder="trader@example.com"
               required
             />
@@ -68,7 +68,7 @@ export function Login() {
                 label="Password"
                 type="password"
                 value={password}
-                onChange={(e) => setPassword(e.target.value)}
+                onChange={(e: React.ChangeEvent<HTMLInputElement>) => setPassword(e.target.value)}
                 placeholder="••••••••"
                 required
               />
diff --git a/web/src/components/ResetPassword.tsx b/web/src/components/ResetPassword.tsx
index 09b5366..331032f 100644
--- a/web/src/components/ResetPassword.tsx
+++ b/web/src/components/ResetPassword.tsx
@@ -1,4 +1,5 @@
 import { useState, useEffect } from 'react';
+import type { ChangeEvent } from 'react';
 import { resetPlatformPassword } from '../lib/authSession';
 import { Button, Input } from './ui/Primitives';
 
@@ -50,7 +51,7 @@ export function ResetPassword() {
                             label="New Password"
                             type="password"
                             value={password}
-                            onChange={(e) => setPassword(e.target.value)}
+                            onChange={(e: ChangeEvent<HTMLInputElement>) => setPassword(e.target.value)}
                             placeholder="New password"
                             required
                         />
diff --git a/web/src/components/strategy/VisualRuleBuilder.tsx b/web/src/components/strategy/VisualRuleBuilder.tsx
index 497e89a..57c235a 100644
--- a/web/src/components/strategy/VisualRuleBuilder.tsx
+++ b/web/src/components/strategy/VisualRuleBuilder.tsx
@@ -3,6 +3,7 @@
  * Lets users compose IF/THEN trading rules without writing code.
  */
 import { useState, useCallback, useEffect, useRef } from 'react';
+import type { ChangeEvent } from 'react';
 import {
   DndContext,
   closestCenter,
@@ -136,7 +137,7 @@ function RuleCard({
         controlSize="sm"
         variant="surface"
         options={(Object.keys(INDICATOR_LABELS) as Indicator[]).map(k => ({ value: k, label: INDICATOR_LABELS[k] }))}
-        onChange={e => onChange(rule.id, {
+        onChange={(e: ChangeEvent<HTMLSelectElement>) => onChange(rule.id, {
           indicator: e.target.value as Indicator,
           value: INDICATOR_DEFAULTS[e.target.value as Indicator],
         })}
@@ -149,7 +150,7 @@ function RuleCard({
         controlSize="sm"
         variant="surface"
         options={(Object.keys(CONDITION_LABELS) as Condition[]).map(k => ({ value: k, label: CONDITION_LABELS[k] }))}
-        onChange={e => onChange(rule.id, { condition: e.target.value as Condition })}
+        onChange={(e: ChangeEvent<HTMLSelectElement>) => onChange(rule.id, { condition: e.target.value as Condition })}
       />
 
       {/* Value */}
@@ -159,7 +160,7 @@ function RuleCard({
         style={numInp}
         controlSize="sm"
         variant="surface"
-        onChange={e => onChange(rule.id, { value: parseFloat(e.target.value) || 0 })}
+        onChange={(e: ChangeEvent<HTMLInputElement>) => onChange(rule.id, { value: parseFloat(e.target.value) || 0 })}
       />
 
       {/* THEN */}
@@ -179,7 +180,7 @@ function RuleCard({
           { value: 'BUY', label: 'BUY' },
           { value: 'SELL', label: 'SELL' },
         ]}
-        onChange={e => onChange(rule.id, { action: e.target.value as TradeAction })}
+        onChange={(e: ChangeEvent<HTMLSelectElement>) => onChange(rule.id, { action: e.target.value as TradeAction })}
       />
 
       {/* Quantity */}
@@ -190,7 +191,7 @@ function RuleCard({
         min={1}
         controlSize="sm"
         variant="surface"
-        onChange={e => onChange(rule.id, { quantity: parseFloat(e.target.value) || 1 })}
+        onChange={(e: ChangeEvent<HTMLInputElement>) => onChange(rule.id, { quantity: parseFloat(e.target.value) || 1 })}
       />
 
       {/* Qty type */}
@@ -203,7 +204,7 @@ function RuleCard({
           { value: 'shares', label: 'shares' },
           { value: 'percent', label: '% of capital' },
         ]}
-        onChange={e => onChange(rule.id, { quantityType: e.target.value as QtyType })}
+        onChange={(e: ChangeEvent<HTMLSelectElement>) => onChange(rule.id, { quantityType: e.target.value as QtyType })}
       />
 
       {/* Delete */}
@@ -315,7 +316,7 @@ export function VisualRuleBuilder({ symbol, onSave, onBacktest }: Props) {
           <div style={{ fontSize: 11, color: 'var(--muted-foreground)', fontWeight: 500, marginBottom: 3 }}>Strategy name</div>
           <Input
             value={name}
-            onChange={e => setName(e.target.value)}
+            onChange={(e: ChangeEvent<HTMLInputElement>) => setName(e.target.value)}
             controlSize="sm"
             variant="surface"
             style={{
diff --git a/web/src/tabs/PositionsTab.tsx b/web/src/tabs/PositionsTab.tsx
index cd60f35..c4a6c0d 100644
--- a/web/src/tabs/PositionsTab.tsx
+++ b/web/src/tabs/PositionsTab.tsx
@@ -1,4 +1,5 @@
 import { useEffect, useMemo, useState } from 'react';
+import type { ChangeEvent } from 'react';
 import type { BotState } from '../hooks/useWebSocket';
 import { getPlatformAccessToken } from '../lib/authSession';
 import { tradingRuntime } from '../lib/runtime';
@@ -1596,7 +1597,7 @@ export const PositionsTab = ({ botState, onManageHolding }: PositionsTabProps) =
                                 <th className="px-4 py-2">
                                     <Select
                                         value={selectedProfileId}
-                                        onChange={(e) => setSelectedProfileId(e.target.value)}
+                                        onChange={(e: ChangeEvent<HTMLSelectElement>) => setSelectedProfileId(e.target.value)}
                                         options={[
                                             { value: 'all', label: 'All Profiles' },
                                             ...profiles.map((profileOption) => ({
@@ -1614,7 +1615,7 @@ export const PositionsTab = ({ botState, onManageHolding }: PositionsTabProps) =
                                         <Input
                                             type="date"
                                             value={ordersDateFrom}
-                                            onChange={(e) => setOrdersDateFrom(e.target.value)}
+                                            onChange={(e: ChangeEvent<HTMLInputElement>) => setOrdersDateFrom(e.target.value)}
                                             controlSize="sm"
                                             variant="muted"
                                             className="bg-white/5 border border-white/10 rounded px-2 py-1 text-[10px] text-gray-200 focus:outline-none focus:ring-2 focus:ring-orange-500/40"
@@ -1622,7 +1623,7 @@ export const PositionsTab = ({ botState, onManageHolding }: PositionsTabProps) =
                                         <Input
                                             type="date"
                                             value={ordersDateTo}
-                                            onChange={(e) => setOrdersDateTo(e.target.value)}
+                                            onChange={(e: ChangeEvent<HTMLInputElement>) => setOrdersDateTo(e.target.value)}
                                             controlSize="sm"
                                             variant="muted"
                                             className="bg-white/5 border border-white/10 rounded px-2 py-1 text-[10px] text-gray-200 focus:outline-none focus:ring-2 focus:ring-orange-500/40"
@@ -1863,7 +1864,7 @@ export const PositionsTab = ({ botState, onManageHolding }: PositionsTabProps) =
                                 <th className="px-4 py-2">
                                     <Select
                                         value={selectedProfileId}
-                                        onChange={(e) => setSelectedProfileId(e.target.value)}
+                                        onChange={(e: ChangeEvent<HTMLSelectElement>) => setSelectedProfileId(e.target.value)}
                                         options={[
                                             { value: 'all', label: 'All Profiles' },
                                             ...profiles.map((profileOption) => ({
@@ -1884,7 +1885,7 @@ export const PositionsTab = ({ botState, onManageHolding }: PositionsTabProps) =
                                         <Input
                                             type="date"
                                             value={lifecycleDateFrom}
-                                            onChange={(e) => setLifecycleDateFrom(e.target.value)}
+                                            onChange={(e: ChangeEvent<HTMLInputElement>) => setLifecycleDateFrom(e.target.value)}
                                             controlSize="sm"
                                             variant="muted"
                                             className="bg-white/5 border border-white/10 rounded px-2 py-1 text-[10px] text-gray-200 focus:outline-none focus:ring-2 focus:ring-cyan-500/40"
@@ -1892,7 +1893,7 @@ export const PositionsTab = ({ botState, onManageHolding }: PositionsTabProps) =
                                         <Input
                                             type="date"
                                             value={lifecycleDateTo}
-                                            onChange={(e) => setLifecycleDateTo(e.target.value)}
+                                            onChange={(e: ChangeEvent<HTMLInputElement>) => setLifecycleDateTo(e.target.value)}
                                             controlSize="sm"
                                             variant="muted"
                                             className="bg-white/5 border border-white/10 rounded px-2 py-1 text-[10px] text-gray-200 focus:outline-none focus:ring-2 focus:ring-cyan-500/40"
diff --git a/web/src/views/ScreenerView.tsx b/web/src/views/ScreenerView.tsx
index 085488b..1d255fe 100644
--- a/web/src/views/ScreenerView.tsx
+++ b/web/src/views/ScreenerView.tsx
@@ -1,4 +1,5 @@
 import { useState, useEffect, useCallback } from 'react';
+import type { ChangeEvent } from 'react';
 import { SlidersHorizontal, Search, RefreshCw } from 'lucide-react';
 import { useAppContext } from '../context/AppContext';
 import { useNavigate } from 'react-router-dom';
@@ -187,14 +188,14 @@ export function ScreenerView() {
                 type="text"
                 placeholder="Filter by name or ticker…"
                 value={query}
-                onChange={e => setQuery(e.target.value)}
+                onChange={(e: ChangeEvent<HTMLInputElement>) => setQuery(e.target.value)}
                 style={{ paddingLeft: 32 }}
               />
             </div>
 
             <Select
               value={String(capIdx)}
-              onChange={e => setCapIdx(Number(e.target.value))}
+              onChange={(e: ChangeEvent<HTMLSelectElement>) => setCapIdx(Number(e.target.value))}
               style={{ width: 180 }}
               options={CAP_OPTIONS.map((c, i) => ({ value: String(i), label: c.label }))}
             />
@@ -222,7 +223,7 @@ export function ScreenerView() {
               <Select
                 aria-label="More sectors"
                 value={SECTORS.indexOf(sector) >= 6 ? sector : ''}
-                onChange={e => e.target.value && setSector(e.target.value)}
+                onChange={(e: ChangeEvent<HTMLSelectElement>) => e.target.value && setSector(e.target.value)}
                 options={[
                   { value: '', label: 'More sectors…' },
                   ...SECTORS.slice(6).map(s => ({ value: s, label: s })),
diff --git a/web/src/views/SimpleView.tsx b/web/src/views/SimpleView.tsx
index 71b5268..c03a210 100644
--- a/web/src/views/SimpleView.tsx
+++ b/web/src/views/SimpleView.tsx
@@ -1,5 +1,5 @@
 import { useEffect, useMemo, useReducer, useRef, useState } from 'react';
-import type { FormEvent } from 'react';
+import type { ChangeEvent, FormEvent } from 'react';
 import { Pencil, RefreshCw, Trash2 } from 'lucide-react';
 import { useSearchParams } from 'react-router-dom';
 import { useAppContext } from '../context/AppContext';
@@ -1044,7 +1044,7 @@ export function SimpleView() {
                 <span className="text-[11px] font-black uppercase tracking-[0.24em] text-zinc-700">Existing holding</span>
                 <Select
                   value={selectedHoldingTradeId || ''}
-                  onChange={(e) => {
+                  onChange={(e: ChangeEvent<HTMLSelectElement>) => {
                     const selected = availableSellHoldings.find((holding) => (holding.tradeId || '') === e.target.value);
                     if (selected) applyHoldingToDraft(selected);
                   }}
@@ -1067,7 +1067,7 @@ export function SimpleView() {
                 <span className="text-[11px] font-black uppercase tracking-[0.24em] text-zinc-700">Symbol</span>
                 <Input
                   value={draft.symbol}
-                  onChange={(e) => {
+                  onChange={(e: ChangeEvent<HTMLInputElement>) => {
                     dispatch({ type: 'set-market-price-source', value: null });
                     if (draft.side === 'sell') {
                       dispatch({ type: 'set-selected-holding-trade-id', value: null });
@@ -1136,7 +1136,7 @@ export function SimpleView() {
                 <span className="text-[11px] font-black uppercase tracking-[0.24em] text-zinc-700">Setup type</span>
                 <Select
                   value={draft.side}
-                  onChange={(e) => updateDraft('side', e.target.value as SimpleSide)}
+                  onChange={(e: ChangeEvent<HTMLSelectElement>) => updateDraft('side', e.target.value as SimpleSide)}
                   options={[
                     { value: 'buy', label: 'Buy the dip + profit exit' },
                     { value: 'sell', label: 'Manage existing holding at profit' },
@@ -1192,7 +1192,7 @@ export function SimpleView() {
                     <span className="text-[11px] font-black uppercase tracking-[0.24em] text-zinc-700">Sizing method</span>
                     <Select
                       value={draft.sizingMode}
-                      onChange={(e) => updateDraft('sizingMode', e.target.value as 'quantity' | 'amount')}
+                      onChange={(e: ChangeEvent<HTMLSelectElement>) => updateDraft('sizingMode', e.target.value as 'quantity' | 'amount')}
                       options={[
                         { value: 'quantity', label: 'Quantity / fractional shares' },
                         { value: 'amount', label: 'USD amount' },
@@ -1206,7 +1206,7 @@ export function SimpleView() {
                     </span>
                     <Input
                       value={draft.sizingMode === 'amount' ? draft.amountUsd : draft.quantity}
-                      onChange={(e) => {
+                      onChange={(e: ChangeEvent<HTMLInputElement>) => {
                         if (draft.sizingMode === 'amount') {
                           updateDraft('amountUsd', e.target.value);
                         } else {
@@ -1230,7 +1230,7 @@ export function SimpleView() {
                   </span>
                   <Input
                     value={draft.side === 'sell' && selectedSellHolding ? String(selectedSellHolding.size) : draft.quantity}
-                    onChange={(e) => updateDraft('quantity', e.target.value)}
+                    onChange={(e: ChangeEvent<HTMLInputElement>) => updateDraft('quantity', e.target.value)}
                     readOnly={draft.side === 'sell' && !!selectedSellHolding}
                     className="read-only:bg-[var(--muted)]"
                     placeholder="10"
@@ -1242,7 +1242,7 @@ export function SimpleView() {
                 <span className="text-[11px] font-black uppercase tracking-[0.24em] text-zinc-700">Notes</span>
                 <Input
                   value={draft.notes}
-                  onChange={(e) => updateDraft('notes', e.target.value)}
+                  onChange={(e: ChangeEvent<HTMLInputElement>) => updateDraft('notes', e.target.value)}
                   placeholder="Optional context"
                 />
               </label>
@@ -1254,7 +1254,7 @@ export function SimpleView() {
                   <p className="text-[11px] font-black uppercase tracking-[0.24em] text-zinc-700">Drop trigger</p>
                   <Select
                     value={draft.dropMode}
-                    onChange={(e) => updateDraft('dropMode', e.target.value as TriggerMode)}
+                    onChange={(e: ChangeEvent<HTMLSelectElement>) => updateDraft('dropMode', e.target.value as TriggerMode)}
                     options={[
                       { value: 'dollar', label: 'Dollar drop from current market' },
                       { value: 'percent', label: 'Percent drop from current market' },
@@ -1267,7 +1267,7 @@ export function SimpleView() {
                   </span>
                   <Input
                     value={draft.dropValue}
-                    onChange={(e) => updateDraft('dropValue', e.target.value)}
+                    onChange={(e: ChangeEvent<HTMLInputElement>) => updateDraft('dropValue', e.target.value)}
                     placeholder={draft.dropMode === 'dollar' ? '0.00' : '0'}
                   />
                 </label>
@@ -1279,7 +1279,7 @@ export function SimpleView() {
                 <p className="text-[11px] font-black uppercase tracking-[0.24em] text-zinc-700">Profit exit</p>
                 <Select
                   value={draft.profitMode}
-                  onChange={(e) => updateDraft('profitMode', e.target.value as TriggerMode)}
+                  onChange={(e: ChangeEvent<HTMLSelectElement>) => updateDraft('profitMode', e.target.value as TriggerMode)}
                   options={[
                     { value: 'dollar', label: 'Dollar gain from purchase' },
                     { value: 'percent', label: 'Percent gain from purchase' },
@@ -1292,7 +1292,7 @@ export function SimpleView() {
                 </span>
                 <Input
                   value={draft.profitValue}
-                  onChange={(e) => updateDraft('profitValue', e.target.value)}
+                  onChange={(e: ChangeEvent<HTMLInputElement>) => updateDraft('profitValue', e.target.value)}
                   placeholder={draft.profitMode === 'dollar' ? '7.50' : '10'}
                 />
               </label>