refactor(packages): rename rules-core to rules-engine

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/hooks/directory-agents-injector/hook.ts

@@ -1,4 +1,4 @@
-import { createAgentsMdCache } from "@oh-my-opencode/rules-core";
+import { createAgentsMdCache } from "@oh-my-opencode/rules-engine";
 import type { PluginInput } from "@opencode-ai/plugin";
 
 import { createDynamicTruncator } from "../../shared/dynamic-truncator";

src/hooks/rules-injector/matcher.ts

@@ -5,8 +5,8 @@ export {
   isDuplicateByRealPath,
   resetMatcherCache,
   shouldApplyRule,
-} from "@oh-my-opencode/rules-core";
-export type { MatchResult } from "@oh-my-opencode/rules-core";
+} from "@oh-my-opencode/rules-engine";
+export type { MatchResult } from "@oh-my-opencode/rules-engine";
 
 export interface MatcherCacheStats {
   readonly entries: number;

src/hooks/rules-injector/parser.ts

@@ -1,2 +1,2 @@
-export { parseRuleFrontmatter } from "@oh-my-opencode/rules-core";
-export type { RuleFrontmatterResult } from "@oh-my-opencode/rules-core";
+export { parseRuleFrontmatter } from "@oh-my-opencode/rules-engine";
+export type { RuleFrontmatterResult } from "@oh-my-opencode/rules-engine";

src/hooks/rules-injector/project-root-finder.ts

@@ -1 +1 @@
-export { clearProjectRootCache, findProjectRoot } from "@oh-my-opencode/rules-core";
+export { clearProjectRootCache, findProjectRoot } from "@oh-my-opencode/rules-engine";

src/hooks/rules-injector/rule-distance.ts

@@ -1 +1 @@
-export { calculateDistance } from "@oh-my-opencode/rules-core";
+export { calculateDistance } from "@oh-my-opencode/rules-engine";

src/hooks/rules-injector/rule-file-finder.ts

@@ -1,7 +1,7 @@
-import { setSisyphusRuleDeprecationLogger } from "@oh-my-opencode/rules-core";
+import { setSisyphusRuleDeprecationLogger } from "@oh-my-opencode/rules-engine";
 import { log } from "../../shared/logger";
 
 setSisyphusRuleDeprecationLogger(log);
 
-export { findRuleFiles } from "@oh-my-opencode/rules-core";
-export type { FindRuleFilesOptions } from "@oh-my-opencode/rules-core";
+export { findRuleFiles } from "@oh-my-opencode/rules-engine";
+export type { FindRuleFilesOptions } from "@oh-my-opencode/rules-engine";

src/hooks/rules-injector/rule-file-scanner.ts

@@ -1,5 +1,5 @@
-import { findRuleFilesRecursive as findRuleFileEntriesRecursive, safeRealpathSync } from "@oh-my-opencode/rules-core";
-import type { DirectoryScanEntry } from "@oh-my-opencode/rules-core";
+import { findRuleFilesRecursive as findRuleFileEntriesRecursive, safeRealpathSync } from "@oh-my-opencode/rules-engine";
+import type { DirectoryScanEntry } from "@oh-my-opencode/rules-engine";
 
 export { safeRealpathSync };
 

src/hooks/rules-injector/rule-scan-cache.ts

@@ -1,2 +1,2 @@
-export { createRuleScanCache } from "@oh-my-opencode/rules-core";
-export type { DirectoryScanEntry, RuleScanCache } from "@oh-my-opencode/rules-core";
+export { createRuleScanCache } from "@oh-my-opencode/rules-engine";
+export type { DirectoryScanEntry, RuleScanCache } from "@oh-my-opencode/rules-engine";

src/hooks/rules-injector/types.ts

@@ -1,4 +1,4 @@
-import type { RuleFileCandidate, RuleMetadata } from "@oh-my-opencode/rules-core";
+import type { RuleFileCandidate, RuleMetadata } from "@oh-my-opencode/rules-engine";
 
 export type { RuleFileCandidate, RuleMetadata };