chore: rename GitHub username from Bright98 to bright98

Update module path and all import references across source, tests, and docs.

Author: Haleh

README.md

@@ -1,7 +1,7 @@
 # pgexplain
 
 <p align="center">
-  <img src="https://raw.githubusercontent.com/Bright98/pgexplain/master/docs/pgexplain.png" alt="pgexplain" width="320">
+  <img src="https://raw.githubusercontent.com/bright98/pgexplain/master/docs/pgexplain.png" alt="pgexplain" width="320">
 </p>
 
 A Go library and CLI that parse PostgreSQL `EXPLAIN (ANALYZE, FORMAT JSON)` output and surface actionable performance findings.
@@ -67,7 +67,7 @@ It has two responsibilities:
 ### Install
 
 ```bash
-go install github.com/Bright98/pgexplain/cmd/pgexplain@latest
+go install github.com/bright98/pgexplain/cmd/pgexplain@latest
 ```
 
 Requires Go 1.21+.
@@ -108,7 +108,7 @@ pgexplain plan.json || exit 1
 ### Install
 
 ```bash
-go get github.com/Bright98/pgexplain
+go get github.com/bright98/pgexplain
 ```
 
 ### Quick start
@@ -119,9 +119,9 @@ package main
 import (
     "fmt"
 
-    "github.com/Bright98/pgexplain/advisor"
-    "github.com/Bright98/pgexplain/parser"
-    "github.com/Bright98/pgexplain/rules"
+    "github.com/bright98/pgexplain/advisor"
+    "github.com/bright98/pgexplain/parser"
+    "github.com/bright98/pgexplain/rules"
 )
 
 func main() {

advisor/advisor.go

@@ -1,7 +1,7 @@
 // Package advisor runs a set of rules over a parsed plan tree and collects findings.
 package advisor
 
-import "github.com/Bright98/pgexplain/parser"
+import "github.com/bright98/pgexplain/parser"
 
 // Severity describes how serious a finding is.
 type Severity int

advisor/advisor_test.go

@@ -3,7 +3,7 @@ package advisor
 import (
 	"testing"
 
-	"github.com/Bright98/pgexplain/parser"
+	"github.com/bright98/pgexplain/parser"
 )
 
 // seqScanRule fires a Warn finding on every Seq Scan node.

cmd/pgexplain/main.go

@@ -17,9 +17,9 @@ import (
 	"os"
 	"strings"
 
-	"github.com/Bright98/pgexplain/advisor"
-	"github.com/Bright98/pgexplain/parser"
-	"github.com/Bright98/pgexplain/rules"
+	"github.com/bright98/pgexplain/advisor"
+	"github.com/bright98/pgexplain/parser"
+	"github.com/bright98/pgexplain/rules"
 )
 
 // version is set at build time via -ldflags "-X main.version=vX.Y.Z".

docs/rules/hash_join_spill.md

@@ -81,9 +81,9 @@ The rule is silent when:
 
 ```go
 import (
-    "github.com/Bright98/pgexplain/advisor"
-    "github.com/Bright98/pgexplain/parser"
-    "github.com/Bright98/pgexplain/rules"
+    "github.com/bright98/pgexplain/advisor"
+    "github.com/bright98/pgexplain/parser"
+    "github.com/bright98/pgexplain/rules"
 )
 
 plan, _ := parser.Parse(explainJSON)

docs/rules/missing_index_only_scan.md

@@ -75,9 +75,9 @@ A ratio of `0.0` means the scan was fully index-covered — ideal. A ratio of `1
 
 ```go
 import (
-    "github.com/Bright98/pgexplain/advisor"
-    "github.com/Bright98/pgexplain/parser"
-    "github.com/Bright98/pgexplain/rules"
+    "github.com/bright98/pgexplain/advisor"
+    "github.com/bright98/pgexplain/parser"
+    "github.com/bright98/pgexplain/rules"
 )
 
 plan, _ := parser.Parse(explainJSON)

docs/rules/nested_loop_large.md

@@ -97,9 +97,9 @@ AND inner.ActualLoops >= minInnerLoops  (default: 1000)
 
 ```go
 import (
-    "github.com/Bright98/pgexplain/advisor"
-    "github.com/Bright98/pgexplain/parser"
-    "github.com/Bright98/pgexplain/rules"
+    "github.com/bright98/pgexplain/advisor"
+    "github.com/bright98/pgexplain/parser"
+    "github.com/bright98/pgexplain/rules"
 )
 
 plan, _ := parser.Parse(explainJSON)

docs/rules/parallel_not_launched.md

@@ -80,9 +80,9 @@ The rule is silent when:
 
 ```go
 import (
-    "github.com/Bright98/pgexplain/advisor"
-    "github.com/Bright98/pgexplain/parser"
-    "github.com/Bright98/pgexplain/rules"
+    "github.com/bright98/pgexplain/advisor"
+    "github.com/bright98/pgexplain/parser"
+    "github.com/bright98/pgexplain/rules"
 )
 
 plan, _ := parser.Parse(explainJSON)

docs/rules/row_estimate_mismatch.md

@@ -118,9 +118,9 @@ The factor formula is **symmetric** — underestimating by 10× and overestimati
 
 ```go
 import (
-    "github.com/Bright98/pgexplain/advisor"
-    "github.com/Bright98/pgexplain/parser"
-    "github.com/Bright98/pgexplain/rules"
+    "github.com/bright98/pgexplain/advisor"
+    "github.com/bright98/pgexplain/parser"
+    "github.com/bright98/pgexplain/rules"
 )
 
 plan, _ := parser.Parse(explainJSON)

docs/rules/seq_scan.md

@@ -75,9 +75,9 @@ If `Rows Removed by Filter` is absent in the plan, this is a full table read wit
 
 ```go
 import (
-    "github.com/Bright98/pgexplain/advisor"
-    "github.com/Bright98/pgexplain/parser"
-    "github.com/Bright98/pgexplain/rules"
+    "github.com/bright98/pgexplain/advisor"
+    "github.com/bright98/pgexplain/parser"
+    "github.com/bright98/pgexplain/rules"
 )
 
 plan, _ := parser.Parse(explainJSON)