feat: simpler diff implementation

Author: garrettladley

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/PuerkitoBio/goquery v1.9.2
 	github.com/alecthomas/chroma/v2 v2.15.0
 	github.com/anthropics/anthropic-sdk-go v0.2.0-beta.2
+	github.com/aymanbagabas/go-udiff v0.2.0
 	github.com/bmatcuk/doublestar/v4 v4.8.1
 	github.com/catppuccin/go v0.3.0
 	github.com/charmbracelet/bubbles v0.20.0
@@ -18,7 +19,6 @@ require (
 	github.com/charmbracelet/lipgloss v1.1.0
 	github.com/charmbracelet/x/ansi v0.8.0
 	github.com/fsnotify/fsnotify v1.8.0
-	github.com/go-git/go-git/v5 v5.15.0
 	github.com/go-logfmt/logfmt v0.6.0
 	github.com/google/generative-ai-go v0.19.0
 	github.com/google/uuid v1.6.0
@@ -44,9 +44,6 @@ require (
 	cloud.google.com/go/auth/oauth2adapt v0.2.6 // indirect
 	cloud.google.com/go/compute/metadata v0.6.0 // indirect
 	cloud.google.com/go/longrunning v0.5.7 // indirect
-	dario.cat/mergo v1.0.0 // indirect
-	github.com/Microsoft/go-winio v0.6.2 // indirect
-	github.com/ProtonMail/go-crypto v1.1.6 // indirect
 	github.com/andybalholm/cascadia v1.3.2 // indirect
 	github.com/atotto/clipboard v0.1.4 // indirect
 	github.com/aws/aws-sdk-go-v2 v1.30.3 // indirect
@@ -69,27 +66,19 @@ require (
 	github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd // indirect
 	github.com/charmbracelet/x/exp/strings v0.0.0-20240722160745-212f7b056ed0 // indirect
 	github.com/charmbracelet/x/term v0.2.1 // indirect
-	github.com/cloudflare/circl v1.6.1 // indirect
-	github.com/cyphar/filepath-securejoin v0.4.1 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dlclark/regexp2 v1.11.4 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
-	github.com/emirpasic/gods v1.18.1 // indirect
 	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
-	github.com/go-git/go-billy/v5 v5.6.2 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
-	github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect
 	github.com/google/s2a-go v0.1.8 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.3.4 // indirect
 	github.com/googleapis/gax-go/v2 v2.14.1 // indirect
 	github.com/gorilla/css v1.0.1 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
-	github.com/kevinburke/ssh_config v1.2.0 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-localereader v0.0.1 // indirect
@@ -100,12 +89,11 @@ require (
 	github.com/muesli/cancelreader v0.2.2 // indirect
 	github.com/ncruces/julianday v1.0.0 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
-	github.com/pjbgf/sha1cd v0.3.2 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/rogpeppe/go-internal v1.14.1 // indirect
 	github.com/sagikazarmark/locafero v0.7.0 // indirect
 	github.com/sethvargo/go-retry v0.3.0 // indirect
-	github.com/skeema/knownhosts v1.3.1 // indirect
 	github.com/sourcegraph/conc v0.3.0 // indirect
 	github.com/spf13/afero v1.12.0 // indirect
 	github.com/spf13/cast v1.7.1 // indirect
@@ -116,7 +104,6 @@ require (
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.1 // indirect
 	github.com/tidwall/sjson v1.2.5 // indirect
-	github.com/xanzy/ssh-agent v0.3.3 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
 	github.com/yosida95/uritemplate/v3 v3.0.2 // indirect
 	github.com/yuin/goldmark v1.7.8 // indirect
@@ -140,6 +127,5 @@ require (
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250324211829-b45e905df463 // indirect
 	google.golang.org/grpc v1.71.0 // indirect
 	google.golang.org/protobuf v1.36.6 // indirect
-	gopkg.in/warnings.v0 v0.1.2 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )