fix in site search and more tests on evalSession cancellation

lynglib/src/commonTest/kotlin/EvalSessionTest.kt

@@ -21,6 +21,7 @@ import kotlinx.coroutines.test.advanceTimeBy
 import kotlinx.coroutines.test.runTest
 import net.sergeych.lyng.EvalSession
 import net.sergeych.lyng.Scope
+import net.sergeych.lyng.Script
 import net.sergeych.lyng.obj.ObjBool
 import net.sergeych.lyng.obj.ObjFlow
 import net.sergeych.lyng.obj.ObjInt
@@ -41,27 +42,51 @@ class EvalSessionTest {
 
     @Test
     fun sessionCancelStopsLaunchedCoroutines() = runTest {
-        val scope = Scope()
+        val scope = Script.newScope()
+        scope.eval("var exportedVal=0")
         val session = EvalSession(scope)
 
         session.eval(
             """
             var touched = false
             launch {
+                while(true) {
                     delay(100)
                     touched = true
                 }
+            }
             """
                 .trimIndent()
         )
 
-        session.cancel()
-        session.join()
+        session.cancelAndJoin()
         advanceTimeBy(150)
 
         assertFalse((scope.eval("touched") as ObjBool).value)
     }
 
+    @Test
+    fun cancelAndJoinStopsLaunchedCoroutinesForUserProvidedScriptScope() = runTest {
+        val scope = Script.newScope()
+        val session = EvalSession(scope)
+
+        session.eval(
+            """
+            var counter = 0
+            launch {
+                delay(10)
+                counter += 1
+            }
+            """
+                .trimIndent()
+        )
+
+        session.cancelAndJoin()
+        advanceTimeBy(20)
+
+        assertEquals(0L, (scope.eval("counter") as ObjInt).value)
+    }
+
     @Test
     fun joinObservesWorkStartedByLaterEval() = runTest {
         val session = EvalSession(Scope())

site/src/jsMain/kotlin/Main.kt

@@ -512,8 +512,9 @@ internal fun plainFromMarkdown(md: String): String {
     // Use non-greedy dot-all equivalents ("[\n\r\s\S]") instead of character classes with ']' where possible.
     try {
         // Safer patterns (avoid unescaped ']' inside character classes):
-        val reCodeBlocks = Regex("```[\\s\\S]*?```")
-        val reInlineCode = Regex("`[^`]*`")
+        val reBacktickCodeBlocks = Regex("```[\\s\\S]*?```")
+        val reTildeCodeBlocks = Regex("~~~[\\s\\S]*?~~~")
+        val reInlineCode = Regex("`([^`]*)`")
         val reBlockquote = Regex("^> +", setOf(RegexOption.MULTILINE))
         val reHeadings = Regex("^#+ +", setOf(RegexOption.MULTILINE))
         // Images: ![alt](url) — capture alt lazily with [\s\S]*? to avoid character class pitfalls
@@ -523,9 +524,10 @@ internal fun plainFromMarkdown(md: String): String {
 
         var t = md
         // Triple-backtick code blocks across lines
-        t = t.replace(reCodeBlocks, " ")
-        // Inline code
-        t = t.replace(reInlineCode, " ")
+        t = t.replace(reBacktickCodeBlocks, " ")
+        t = t.replace(reTildeCodeBlocks, " ")
+        // Keep inline code content so API names in prose and headings remain searchable
+        t = t.replace(reInlineCode, "\$1")
         // Strip blockquotes and headings markers
         t = t.replace(reBlockquote, "")
         t = t.replace(reHeadings, "")
@@ -539,7 +541,8 @@ internal fun plainFromMarkdown(md: String): String {
         // Minimal safe fallback: strip code blocks and inline code, then normalize
         var t = md
         t = t.replace(Regex("```[\\s\\S]*?```"), " ")
-        t = t.replace(Regex("`[^`]*`"), " ")
+        t = t.replace(Regex("~~~[\\s\\S]*?~~~"), " ")
+        t = t.replace(Regex("`([^`]*)`"), "\$1")
         return norm(t)
     }
 }

site/src/jsTest/kotlin/SearchScoringTest.kt

@@ -1,5 +1,23 @@
+/*
+ * Copyright 2026 Sergey S. Chernov real.sergeych@gmail.com
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
 import kotlin.test.Test
 import kotlin.test.assertEquals
+import kotlin.test.assertFalse
 import kotlin.test.assertTrue
 
 class SearchScoringTest {
@@ -26,4 +44,31 @@ class SearchScoringTest {
         val sFar = scoreQueryAdvanced(listOf("alp", "bet"), far)
         assertTrue(sNear > sFar, "closer terms should have higher score")
     }
+
+    @Test
+    fun preservesInlineCodeTermsInHeadingsAndText() {
+        val plain = plainFromMarkdown(
+            """
+            ### Preferred runtime: `EvalSession`
+
+            For host applications, prefer `EvalSession` as the main way to run scripts.
+            """.trimIndent()
+        )
+
+        assertTrue(plain.contains("evalsession"), "inline code terms should remain in searchable text")
+        assertTrue(scoreQueryAdvanced(listOf("evalsession"), rec(plain)) > 0)
+    }
+
+    @Test
+    fun stripsTildeCodeFencesLikeBacktickFences() {
+        val plain = plainFromMarkdown(
+            """
+            ~~~kotlin
+            val session = EvalSession()
+            ~~~
+            """.trimIndent()
+        )
+
+        assertFalse(plain.contains("evalsession"), "fenced code should not leak into the search corpus")
+    }
 }