diff --git a/src/InputBoxManager.swift b/src/InputBoxManager.swift
index ce10f77..53d881d 100644
--- a/src/InputBoxManager.swift
+++ b/src/InputBoxManager.swift
@@ -37,12 +37,19 @@ public final class InputBoxManager {
     public func ensureFocusedInputBox() {
         resetSession()
         
-        guard AXIsProcessTrusted() else {
+        let promptKey = kAXTrustedCheckOptionPrompt.takeUnretainedValue() as String
+        let isTrusted = AXIsProcessTrustedWithOptions([promptKey: true] as CFDictionary)
+        guard isTrusted else {
             print("InputBoxManager: Accessibility not trusted.")
             return
         }
         
         guard let frontApp = NSWorkspace.shared.frontmostApplication else { return }
+        if let bid = frontApp.bundleIdentifier?.lowercased(),
+           bid.contains("siri") || bid.contains("shortcuts") {
+            print("InputBoxManager: Frontmost app is Siri/Shortcuts (\(bid)), preserving user app focus.")
+            return
+        }
         let appElem = AXUIElementCreateApplication(frontApp.processIdentifier)
         
         // 1. Check if an element is already focused in the frontmost application
@@ -292,6 +299,14 @@ public final class InputBoxManager {
             let normStreamed = streamedWords.map(cleanWord).filter { !$0.isEmpty }
             let normFinal = finalWords.map(cleanWord).filter { !$0.isEmpty }
             
+            let wordsMatch: (String, String) -> Bool = { w1, w2 in
+                if w1 == w2 { return true }
+                if w1.count >= 2 && w2.count >= 2 {
+                    if w1.hasPrefix(w2) || w2.hasPrefix(w1) { return true }
+                }
+                return false
+            }
+            
             var unstreamedStartIndex: Int? = nil
             
             // Strategy 4A: Search for 3-word tail anchor from streamed text in final words
@@ -300,7 +315,7 @@ public final class InputBoxManager {
                 let a2 = normStreamed[normStreamed.count - 2]
                 let a3 = normStreamed[normStreamed.count - 1]
                 for j in stride(from: normFinal.count - 1, through: 2, by: -1) {
-                    if normFinal[j] == a3 && normFinal[j - 1] == a2 && normFinal[j - 2] == a1 {
+                    if wordsMatch(normFinal[j], a3) && wordsMatch(normFinal[j - 1], a2) && wordsMatch(normFinal[j - 2], a1) {
                         unstreamedStartIndex = j + 1
                         break
                     }
@@ -312,7 +327,7 @@ public final class InputBoxManager {
                 let a1 = normStreamed[normStreamed.count - 2]
                 let a2 = normStreamed[normStreamed.count - 1]
                 for j in stride(from: normFinal.count - 1, through: 1, by: -1) {
-                    if normFinal[j] == a2 && normFinal[j - 1] == a1 {
+                    if wordsMatch(normFinal[j], a2) && wordsMatch(normFinal[j - 1], a1) {
                         unstreamedStartIndex = j + 1
                         break
                     }
@@ -324,7 +339,7 @@ public final class InputBoxManager {
                 let a1 = normStreamed[normStreamed.count - 1]
                 let searchStart = max(0, normFinal.count - max(15, normStreamed.count))
                 for j in stride(from: normFinal.count - 1, through: searchStart, by: -1) {
-                    if normFinal[j] == a1 {
+                    if wordsMatch(normFinal[j], a1) {
                         unstreamedStartIndex = j + 1
                         break
                     }
@@ -335,7 +350,7 @@ public final class InputBoxManager {
             if unstreamedStartIndex == nil {
                 var prefixMatchCount = 0
                 for i in 0..<min(normStreamed.count, normFinal.count) {
-                    if normStreamed[i] == normFinal[i] {
+                    if wordsMatch(normStreamed[i], normFinal[i]) {
                         prefixMatchCount = i + 1
                     } else {
                         break
@@ -346,7 +361,12 @@ public final class InputBoxManager {
                 }
             }
             
-            // Suffix Evaluation:
+            // Guaranteed Safety Fallback: If no anchor matched, point to streamedWords.count
+            if unstreamedStartIndex == nil {
+                unstreamedStartIndex = min(streamedWords.count, finalWords.count)
+            }
+            
+            // Suffix Evaluation: NEVER suppress paste! Always paste all remaining unstreamed words!
             if let startIndex = unstreamedStartIndex {
                 if startIndex < finalWords.count {
                     // Only paste unstreamed trailing words
@@ -371,32 +391,6 @@ public final class InputBoxManager {
                     return
                 }
             }
-            
-            // Case 5: Anti-Duplication Safety Guard
-            // If more than half the words were streamed, the utterance is already in the input box!
-            // NEVER paste the full text, as that guarantees 100% duplication!
-            if streamedWords.count >= (finalWords.count / 2) {
-                print("InputBoxManager: Most words already streamed (\(streamedWords.count) vs \(finalWords.count)). Suppressing full paste to prevent duplication.")
-                if addTrailingSpace {
-                    let pb = NSPasteboard.general
-                    pb.clearContents()
-                    pb.setString(" ", forType: .string)
-                    self.postCleanCmdV()
-                }
-                restoreClipboardFullText()
-                return
-            }
-            
-            // Case 6: Fallback when only very few words were streamed (<50%) and no anchor was found
-            if finalWords.count > streamedWords.count {
-                let remainingWords = Array(finalWords.dropFirst(streamedWords.count))
-                let suffix = remainingWords.joined(separator: " ")
-                let suffixToPaste = addTrailingSpace ? (" " + suffix + " ") : (" " + suffix)
-                let pb = NSPasteboard.general
-                pb.clearContents()
-                pb.setString(suffixToPaste, forType: .string)
-                self.postCleanCmdV()
-            }
             restoreClipboardFullText()
         }
     }