try orc on faliled attempt

src/main/kotlin/com/android/trisolarisserver/component/PaddleOcrClient.kt

@@ -0,0 +1,97 @@
+package com.android.trisolarisserver.component
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import org.slf4j.LoggerFactory
+import org.springframework.beans.factory.annotation.Value
+import org.springframework.core.io.FileSystemResource
+import org.springframework.http.HttpEntity
+import org.springframework.http.HttpHeaders
+import org.springframework.http.MediaType
+import org.springframework.stereotype.Component
+import org.springframework.util.LinkedMultiValueMap
+import org.springframework.web.client.RestTemplate
+import java.nio.file.Files
+import java.nio.file.Path
+
+@Component
+class PaddleOcrClient(
+    private val restTemplate: RestTemplate,
+    private val objectMapper: ObjectMapper,
+    @Value("\${ocr.paddle.enabled:false}")
+    private val enabled: Boolean,
+    @Value("\${ocr.paddle.baseUrl:https://ocr.hoteltrisolaris.in}")
+    private val baseUrl: String,
+    @Value("\${ocr.paddle.minScore:0.9}")
+    private val minScore: Double
+) {
+    private val logger = LoggerFactory.getLogger(PaddleOcrClient::class.java)
+
+    fun extract(filePath: String): PaddleOcrResult? {
+        if (!enabled) return null
+        val path = Path.of(filePath)
+        if (!Files.exists(path)) return null
+
+        return try {
+            val output = callOcr(path)
+            val filtered = filterByScore(output.texts, output.scores, minScore)
+            val aadhaar = extractAadhaar(filtered)
+            PaddleOcrResult(filtered, aadhaar)
+        } catch (ex: Exception) {
+            logger.warn("PaddleOCR failed: {}", ex.message)
+            null
+        }
+    }
+
+    private fun callOcr(path: Path): OcrPayload {
+        val headers = HttpHeaders()
+        headers.contentType = MediaType.MULTIPART_FORM_DATA
+        val body = LinkedMultiValueMap<String, Any>().apply {
+            add("file", FileSystemResource(path.toFile()))
+        }
+        val entity = HttpEntity(body, headers)
+        val response = restTemplate.postForEntity(baseUrl, entity, String::class.java)
+        val raw = response.body ?: return OcrPayload(emptyList(), emptyList())
+        val node = objectMapper.readTree(raw)
+        val texts = node.path("texts")
+        val scores = node.path("scores")
+        if (!texts.isArray) return OcrPayload(emptyList(), emptyList())
+        val parsedTexts = texts.mapNotNull { it.asText(null) }
+        val parsedScores = if (scores.isArray) {
+            scores.mapNotNull { if (it.isNumber) it.asDouble() else null }
+        } else {
+            emptyList()
+        }
+        return OcrPayload(parsedTexts, parsedScores)
+    }
+
+    private fun filterByScore(texts: List<String>, scores: List<Double>, min: Double): List<String> {
+        if (scores.size != texts.size || scores.isEmpty()) return texts
+        return texts.mapIndexedNotNull { index, text ->
+            if (scores[index] >= min) text else null
+        }
+    }
+
+    private fun extractAadhaar(texts: List<String>): String? {
+        val joined = texts.joinToString(" ")
+        val candidates = mutableListOf<String>()
+        val regex = Regex("\\b(?:\\d[\\s-]?){12}\\b")
+        regex.findAll(joined).forEach { match ->
+            val digits = match.value.filter { it.isDigit() }
+            if (digits.length == 12) {
+                candidates.add(digits)
+            }
+        }
+        val valid = candidates.firstOrNull { isValidAadhaar(it) } ?: return null
+        return formatAadhaar(valid)
+    }
+}
+
+data class PaddleOcrResult(
+    val texts: List<String>,
+    val aadhaar: String?
+)
+
+private data class OcrPayload(
+    val texts: List<String>,
+    val scores: List<Double>
+)