Remove unneeded Scheme#supportsFilename feature

We always infer schemes from file content, not filename.

Author: ctrueden

CLAUDE.md

@@ -75,7 +75,7 @@ mvn clean package
   - Implementations discovered via ServiceLoader and managed by `Builders` utility class
 - **Scheme**: Interface for configuration file format detection and parsing
   - Implementations: `PixiTomlScheme`, `EnvironmentYmlScheme`, `PyProjectTomlScheme`, `RequirementsTxtScheme`
-  - Methods: `name()`, `supportsFilename(filename)`, `supportsContent(content)`, `priority()`
+  - Methods: `name()`, `supportsContent(content)`, `priority()`
   - Implementations discovered via ServiceLoader and managed by `Schemes` utility class
 - **SharedMemory**: Platform-agnostic shared memory interface
   - Platform implementations: `ShmLinux`, `ShmMacOS`, `ShmWindows`
@@ -100,7 +100,6 @@ The project uses Java's ServiceLoader mechanism for extensibility, with utility
   - Factories cached and sorted by priority
 
 - **Schemes** (`org.apposed.appose.scheme.Schemes`) - Configuration file format detection
-  - `fromFilename(filename)` - Detect scheme from filename (e.g., "pixi.toml" → PixiTomlScheme)
   - `fromContent(content)` - Detect scheme from file contents
   - `fromName(name)` - Get scheme by name (e.g., "pixi-toml")
   - Schemes sorted by priority for correct detection order

src/main/java/org/apposed/appose/Scheme.java

@@ -87,15 +87,4 @@ public interface Scheme {
 	 * @return {@code true} if this scheme supports the content format
 	 */
 	boolean supportsContent(String content);
-
-	/**
-	 * Tests whether this scheme can handle a file with the given filename.
-	 * <p>
-	 * Implementations should check file extensions or exact names.
-	 * </p>
-	 *
-	 * @param filename The filename to test
-	 * @return {@code true} if this scheme supports files with this name
-	 */
-	boolean supportsFilename(String filename);
 }

src/main/java/org/apposed/appose/scheme/EnvironmentYmlScheme.java

@@ -79,10 +79,4 @@ public boolean supportsContent(String content) {
 			trimmed.startsWith("dependencies:") ||
 			trimmed.matches("(?s)^[a-z_]+:\\s*.*");
 	}
-
-	@Override
-	public boolean supportsFilename(String filename) {
-		// TODO
-		return false;
-	}
 }

src/main/java/org/apposed/appose/scheme/PixiTomlScheme.java

@@ -86,9 +86,4 @@ public boolean supportsContent(String content) {
 		return trimmed.contains("[dependencies]") ||
 		       trimmed.contains("[pypi-dependencies]");
 	}
-
-	@Override
-	public boolean supportsFilename(String filename) {
-		return filename.endsWith("pixi.toml");
-	}
 }

src/main/java/org/apposed/appose/scheme/PyProjectTomlScheme.java

@@ -102,9 +102,4 @@ public boolean supportsContent(String content) {
 		       trimmed.contains("[project.dependencies]") ||
 		       trimmed.matches("(?s).*\\[project\\].*dependencies\\s*=.*");
 	}
-
-	@Override
-	public boolean supportsFilename(String filename) {
-		return filename.endsWith("pyproject.toml");
-	}
 }

src/main/java/org/apposed/appose/scheme/RequirementsTxtScheme.java

@@ -69,9 +69,4 @@ public boolean supportsContent(String content) {
 		// Optionally followed by version specifiers.
 		return trimmed.matches("(?s)^[a-zA-Z0-9_-]+(==|>=|<=|~=|!=)?.*");
 	}
-
-	@Override
-	public boolean supportsFilename(String filename) {
-		return filename.endsWith("requirements.txt");
-	}
 }

src/main/java/org/apposed/appose/scheme/Schemes.java

@@ -83,17 +83,4 @@ public static Scheme fromName(String name) {
 		if (result != null) return result;
 		throw new IllegalArgumentException("Unknown scheme: " + name);
 	}
-
-	/**
-	 * Infers the scheme from a filename.
-	 *
-	 * @param filename The filename
-	 * @return The matching scheme
-	 * @throws IllegalArgumentException If scheme cannot be inferred from filename
-	 */
-	public static Scheme fromFilename(String filename) {
-		Scheme result = Plugins.find(ALL, scheme -> scheme.supportsFilename(filename));
-		if (result != null) return result;
-		throw new IllegalArgumentException("Cannot infer scheme from filename: " + filename);
-	}
 }