Merge remote-tracking branch 'origin/main' into ui

Carlos Alexandro Becker created

Change summary

Taskfile.yaml                                 |  3 
go.mod                                        |  8 ++
go.sum                                        | 32 ++++++++++--
internal/agent/common_test.go                 |  4 +
internal/agent/tools/fetch_helpers.go         |  5 +
internal/agent/tools/mcp/init.go              |  3 
internal/app/lsp_events.go                    |  3 
internal/csync/maps.go                        | 12 +++-
internal/csync/versionedmap.go                |  5 ++
internal/db/connect.go                        | 27 +----------
internal/db/connect_modernc.go                | 30 ++++++++++++
internal/db/connect_ncruces.go                | 37 +++++++++++++++
internal/lsp/client.go                        | 50 ++++++++++++++++++++
internal/oauth/copilot/client.go              |  3 
internal/tui/components/chat/header/header.go |  9 ---
internal/tui/components/lsp/lsp.go            | 42 +++++-----------
16 files changed, 193 insertions(+), 80 deletions(-)

Detailed changes

Taskfile.yaml 🔗

@@ -44,7 +44,8 @@ tasks:
   run:
     desc: Run build
     cmds:
-      - go run . {{.CLI_ARGS}}
+      - go build -o crush .
+      - ./crush {{.CLI_ARGS}}
 
   test:
     desc: Run tests

go.mod 🔗

@@ -25,7 +25,7 @@ require (
 	github.com/charmbracelet/x/ansi v0.11.3
 	github.com/charmbracelet/x/editor v0.2.0
 	github.com/charmbracelet/x/etag v0.2.0
-	github.com/charmbracelet/x/exp/charmtone v0.0.0-20250708181618-a60a724ba6c3
+	github.com/charmbracelet/x/exp/charmtone v0.0.0-20260109001716-2fbdffcb221f
 	github.com/charmbracelet/x/exp/golden v0.0.0-20250806222409-83e3a29d542f
 	github.com/charmbracelet/x/exp/ordered v0.1.0
 	github.com/charmbracelet/x/exp/slice v0.0.0-20251201173703-9f73bfd934ff
@@ -64,6 +64,7 @@ require (
 	golang.org/x/text v0.32.0
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 	gopkg.in/yaml.v3 v3.0.1
+	modernc.org/sqlite v1.43.0
 	mvdan.cc/sh/moreinterp v0.0.0-20250902163504-3cf4fd5717a5
 	mvdan.cc/sh/v3 v3.12.1-0.20250902163504-3cf4fd5717a5
 )
@@ -141,9 +142,11 @@ require (
 	github.com/muesli/mango-cobra v1.2.0 // indirect
 	github.com/muesli/mango-pflag v0.1.0 // indirect
 	github.com/muesli/roff v0.1.0 // indirect
+	github.com/ncruces/go-strftime v0.1.9 // indirect
 	github.com/ncruces/julianday v1.0.0 // indirect
 	github.com/pierrec/lz4/v4 v4.1.22 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/sergi/go-diff v1.3.2-0.20230802210424-5b0b94c5c0d3 // indirect
 	github.com/sethvargo/go-retry v0.3.0 // indirect
 	github.com/sourcegraph/jsonrpc2 v0.2.1 // indirect
@@ -180,4 +183,7 @@ require (
 	google.golang.org/protobuf v1.36.10 // indirect
 	gopkg.in/dnaeon/go-vcr.v4 v4.0.6-0.20251110073552-01de4eb40290 // indirect
 	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
+	modernc.org/libc v1.66.10 // indirect
+	modernc.org/mathutil v1.7.1 // indirect
+	modernc.org/memory v1.11.0 // indirect
 )

go.sum 🔗

@@ -108,8 +108,8 @@ github.com/charmbracelet/x/editor v0.2.0 h1:7XLUKtaRaB8jN7bWU2p2UChiySyaAuIfYiIR
 github.com/charmbracelet/x/editor v0.2.0/go.mod h1:p3oQ28TSL3YPd+GKJ1fHWcp+7bVGpedHpXmo0D6t1dY=
 github.com/charmbracelet/x/etag v0.2.0 h1:Euj1VkheoHfTYA9y+TCwkeXF/hN8Fb9l4LqZl79pt04=
 github.com/charmbracelet/x/etag v0.2.0/go.mod h1:C1B7/bsgvzzxpfu0Rabbd+rTHJa5TmC/qgTseCf6DF0=
-github.com/charmbracelet/x/exp/charmtone v0.0.0-20250708181618-a60a724ba6c3 h1:1xwHZg6eMZ9Wv5TE1UGub6ARubyOd1Lo5kPUI/6VL50=
-github.com/charmbracelet/x/exp/charmtone v0.0.0-20250708181618-a60a724ba6c3/go.mod h1:T9jr8CzFpjhFVHjNjKwbAD7KwBNyFnj2pntAO7F2zw0=
+github.com/charmbracelet/x/exp/charmtone v0.0.0-20260109001716-2fbdffcb221f h1:OKFNbG2sSmgpQW9EC3gYNG+QrcQ4+wWYjzfmJvWkkDo=
+github.com/charmbracelet/x/exp/charmtone v0.0.0-20260109001716-2fbdffcb221f/go.mod h1:nsExn0DGyX0lh9LwLHTn2Gg+hafdzfSXnC+QmEJTZFY=
 github.com/charmbracelet/x/exp/golden v0.0.0-20250806222409-83e3a29d542f h1:pk6gmGpCE7F3FcjaOEKYriCvpmIN4+6OS/RD0vm4uIA=
 github.com/charmbracelet/x/exp/golden v0.0.0-20250806222409-83e3a29d542f/go.mod h1:IfZAMTHB6XkZSeXUqriemErjAWCCzT0LwjKFYCZyw0I=
 github.com/charmbracelet/x/exp/ordered v0.1.0 h1:55/qLwjIh0gL0Vni+QAWk7T/qRVP6sBf+2agPBgnOFE=
@@ -184,6 +184,8 @@ github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/jsonschema-go v0.3.0 h1:6AH2TxVNtk3IlvkkhjrtbUc4S8AvO0Xii0DxIygDg+Q=
 github.com/google/jsonschema-go v0.3.0/go.mod h1:r5quNTdLOYEz95Ru18zA0ydNbBuYoo9tgaYcxEYhJVE=
+github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e h1:ijClszYn+mADRFY17kjQEVQ1XRhq2/JR1M3sGqeJoxs=
+github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e/go.mod h1:boTsfXsheKC2y+lKOCMpSfarhxDeIzfZG1jqGcPl3cA=
 github.com/google/s2a-go v0.1.9 h1:LGD7gtMgezd8a/Xak7mEWL0PjoTQFvpRudN895yqKW0=
 github.com/google/s2a-go v0.1.9/go.mod h1:YA0Ei2ZQL3acow2O62kdp9UlnvMmU7kA6Eutn0dXayM=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
@@ -501,14 +503,32 @@ gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-modernc.org/libc v1.66.3 h1:cfCbjTUcdsKyyZZfEUKfoHcP3S0Wkvz3jgSzByEWVCQ=
-modernc.org/libc v1.66.3/go.mod h1:XD9zO8kt59cANKvHPXpx7yS2ELPheAey0vjIuZOhOU8=
+modernc.org/cc/v4 v4.26.5 h1:xM3bX7Mve6G8K8b+T11ReenJOT+BmVqQj0FY5T4+5Y4=
+modernc.org/cc/v4 v4.26.5/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
+modernc.org/ccgo/v4 v4.28.1 h1:wPKYn5EC/mYTqBO373jKjvX2n+3+aK7+sICCv4Fjy1A=
+modernc.org/ccgo/v4 v4.28.1/go.mod h1:uD+4RnfrVgE6ec9NGguUNdhqzNIeeomeXf6CL0GTE5Q=
+modernc.org/fileutil v1.3.40 h1:ZGMswMNc9JOCrcrakF1HrvmergNLAmxOPjizirpfqBA=
+modernc.org/fileutil v1.3.40/go.mod h1:HxmghZSZVAz/LXcMNwZPA/DRrQZEVP9VX0V4LQGQFOc=
+modernc.org/gc/v2 v2.6.5 h1:nyqdV8q46KvTpZlsw66kWqwXRHdjIlJOhG6kxiV/9xI=
+modernc.org/gc/v2 v2.6.5/go.mod h1:YgIahr1ypgfe7chRuJi2gD7DBQiKSLMPgBQe9oIiito=
+modernc.org/goabi0 v0.2.0 h1:HvEowk7LxcPd0eq6mVOAEMai46V+i7Jrj13t4AzuNks=
+modernc.org/goabi0 v0.2.0/go.mod h1:CEFRnnJhKvWT1c1JTI3Avm+tgOWbkOu5oPA8eH8LnMI=
+modernc.org/libc v1.66.10 h1:yZkb3YeLx4oynyR+iUsXsybsX4Ubx7MQlSYEw4yj59A=
+modernc.org/libc v1.66.10/go.mod h1:8vGSEwvoUoltr4dlywvHqjtAqHBaw0j1jI7iFBTAr2I=
 modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
 modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
 modernc.org/memory v1.11.0 h1:o4QC8aMQzmcwCK3t3Ux/ZHmwFPzE6hf2Y5LbkRs+hbI=
 modernc.org/memory v1.11.0/go.mod h1:/JP4VbVC+K5sU2wZi9bHoq2MAkCnrt2r98UGeSK7Mjw=
-modernc.org/sqlite v1.38.2 h1:Aclu7+tgjgcQVShZqim41Bbw9Cho0y/7WzYptXqkEek=
-modernc.org/sqlite v1.38.2/go.mod h1:cPTJYSlgg3Sfg046yBShXENNtPrWrDX8bsbAQBzgQ5E=
+modernc.org/opt v0.1.4 h1:2kNGMRiUjrp4LcaPuLY2PzUfqM/w9N23quVwhKt5Qm8=
+modernc.org/opt v0.1.4/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns=
+modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w=
+modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE=
+modernc.org/sqlite v1.43.0 h1:8YqiFx3G1VhHTXO2Q00bl1Wz9KhS9Q5okwfp9Y97VnA=
+modernc.org/sqlite v1.43.0/go.mod h1:+VkC6v3pLOAE0A0uVucQEcbVW0I5nHCeDaBf+DpsQT8=
+modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0=
+modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A=
+modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=
+modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=
 mvdan.cc/sh/moreinterp v0.0.0-20250902163504-3cf4fd5717a5 h1:mO2lyKtGwu4mGQ+Qqjx0+fd5UU5BXhX/rslFmxd5aco=
 mvdan.cc/sh/moreinterp v0.0.0-20250902163504-3cf4fd5717a5/go.mod h1:Of9PCedbLDYT8b3EyiYG64rNnx5nOp27OLCVdDrjJyo=
 mvdan.cc/sh/v3 v3.12.1-0.20250902163504-3cf4fd5717a5 h1:e7Z/Lgw/zMijvQBVrfh/vUDZ+9FpuSLrJDVGBuoJtuo=

internal/agent/common_test.go 🔗

@@ -182,6 +182,10 @@ func coderAgent(r *vcr.Recorder, env fakeEnv, large, small fantasy.LanguageModel
 	// would be included in prompt and break VCR cassette matching.
 	cfg.Options.SkillsPaths = []string{}
 
+	// Clear LSP config to ensure test reproducibility - user's LSP config
+	// would be included in prompt and break VCR cassette matching.
+	cfg.LSP = nil
+
 	systemPrompt, err := prompt.Build(context.TODO(), large.Provider(), large.Model(), *cfg)
 	if err != nil {
 		return nil, err

internal/agent/tools/fetch_helpers.go 🔗

@@ -19,6 +19,8 @@ import (
 // BrowserUserAgent is a realistic browser User-Agent for better compatibility.
 const BrowserUserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"
 
+var multipleNewlinesRe = regexp.MustCompile(`\n{3,}`)
+
 // FetchURLAndConvert fetches a URL and converts HTML content to markdown.
 func FetchURLAndConvert(ctx context.Context, client *http.Client, url string) (string, error) {
 	req, err := http.NewRequestWithContext(ctx, "GET", url, nil)
@@ -128,8 +130,7 @@ func removeNoisyElements(htmlContent string) string {
 // cleanupMarkdown removes excessive whitespace and blank lines from markdown.
 func cleanupMarkdown(content string) string {
 	// Collapse multiple blank lines into at most two.
-	multipleNewlines := regexp.MustCompile(`\n{3,}`)
-	content = multipleNewlines.ReplaceAllString(content, "\n\n")
+	content = multipleNewlinesRe.ReplaceAllString(content, "\n\n")
 
 	// Remove trailing whitespace from each line.
 	lines := strings.Split(content, "\n")

internal/agent/tools/mcp/init.go 🔗

@@ -9,7 +9,6 @@ import (
 	"fmt"
 	"io"
 	"log/slog"
-	"maps"
 	"net/http"
 	"os"
 	"os/exec"
@@ -98,7 +97,7 @@ func SubscribeEvents(ctx context.Context) <-chan pubsub.Event[Event] {
 
 // GetStates returns the current state of all MCP clients
 func GetStates() map[string]ClientInfo {
-	return maps.Collect(states.Seq2())
+	return states.Copy()
 }
 
 // GetState returns the state of a specific MCP client

internal/app/lsp_events.go 🔗

@@ -2,7 +2,6 @@ package app
 
 import (
 	"context"
-	"maps"
 	"time"
 
 	"github.com/charmbracelet/crush/internal/csync"
@@ -49,7 +48,7 @@ func SubscribeLSPEvents(ctx context.Context) <-chan pubsub.Event[LSPEvent] {
 
 // GetLSPStates returns the current state of all LSP clients
 func GetLSPStates() map[string]LSPClientInfo {
-	return maps.Collect(lspStates.Seq2())
+	return lspStates.Copy()
 }
 
 // GetLSPState returns the state of a specific LSP client

internal/csync/maps.go 🔗

@@ -96,12 +96,16 @@ func (m *Map[K, V]) Take(key K) (V, bool) {
 	return v, ok
 }
 
+// Copy returns a copy of the inner map.
+func (m *Map[K, V]) Copy() map[K]V {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+	return maps.Clone(m.inner)
+}
+
 // Seq2 returns an iter.Seq2 that yields key-value pairs from the map.
 func (m *Map[K, V]) Seq2() iter.Seq2[K, V] {
-	dst := make(map[K]V)
-	m.mu.RLock()
-	maps.Copy(dst, m.inner)
-	m.mu.RUnlock()
+	dst := m.Copy()
 	return func(yield func(K, V) bool) {
 		for k, v := range dst {
 			if !yield(k, v) {

internal/csync/versionedmap.go 🔗

@@ -40,6 +40,11 @@ func (m *VersionedMap[K, V]) Seq2() iter.Seq2[K, V] {
 	return m.m.Seq2()
 }
 
+// Copy returns a copy of the inner map.
+func (m *VersionedMap[K, V]) Copy() map[K]V {
+	return m.m.Copy()
+}
+
 // Len returns the number of items in the map.
 func (m *VersionedMap[K, V]) Len() int {
 	return m.m.Len()

internal/db/connect.go 🔗

@@ -7,42 +7,21 @@ import (
 	"log/slog"
 	"path/filepath"
 
-	"github.com/ncruces/go-sqlite3"
-	"github.com/ncruces/go-sqlite3/driver"
-	_ "github.com/ncruces/go-sqlite3/embed"
-
 	"github.com/pressly/goose/v3"
 )
 
+// Connect opens a SQLite database connection and runs migrations.
 func Connect(ctx context.Context, dataDir string) (*sql.DB, error) {
 	if dataDir == "" {
 		return nil, fmt.Errorf("data.dir is not set")
 	}
 	dbPath := filepath.Join(dataDir, "crush.db")
 
-	// Set pragmas for better performance
-	pragmas := []string{
-		"PRAGMA foreign_keys = ON;",
-		"PRAGMA journal_mode = WAL;",
-		"PRAGMA page_size = 4096;",
-		"PRAGMA cache_size = -8000;",
-		"PRAGMA synchronous = NORMAL;",
-		"PRAGMA secure_delete = ON;",
-	}
-
-	db, err := driver.Open(dbPath, func(c *sqlite3.Conn) error {
-		for _, pragma := range pragmas {
-			if err := c.Exec(pragma); err != nil {
-				return fmt.Errorf("failed to set pragma `%s`: %w", pragma, err)
-			}
-		}
-		return nil
-	})
+	db, err := openDB(dbPath)
 	if err != nil {
-		return nil, fmt.Errorf("failed to open database: %w", err)
+		return nil, err
 	}
 
-	// Verify connection
 	if err = db.PingContext(ctx); err != nil {
 		db.Close()
 		return nil, fmt.Errorf("failed to connect to database: %w", err)

internal/db/connect_modernc.go 🔗

@@ -0,0 +1,30 @@
+//go:build (darwin && (amd64 || arm64)) || (freebsd && (amd64 || arm64)) || (linux && (386 || amd64 || arm || arm64 || loong64 || ppc64le || riscv64 || s390x)) || (windows && (386 || amd64 || arm64))
+
+package db
+
+import (
+	"database/sql"
+	"fmt"
+	"net/url"
+
+	_ "modernc.org/sqlite"
+)
+
+func openDB(dbPath string) (*sql.DB, error) {
+	// Set pragmas for better performance via _pragma query params.
+	// Format: _pragma=name(value)
+	params := url.Values{}
+	params.Add("_pragma", "foreign_keys(on)")
+	params.Add("_pragma", "journal_mode(WAL)")
+	params.Add("_pragma", "page_size(4096)")
+	params.Add("_pragma", "cache_size(-8000)")
+	params.Add("_pragma", "synchronous(NORMAL)")
+	params.Add("_pragma", "secure_delete(on)")
+
+	dsn := fmt.Sprintf("file:%s?%s", dbPath, params.Encode())
+	db, err := sql.Open("sqlite", dsn)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open database: %w", err)
+	}
+	return db, nil
+}

internal/db/connect_ncruces.go 🔗

@@ -0,0 +1,37 @@
+//go:build !((darwin && (amd64 || arm64)) || (freebsd && (amd64 || arm64)) || (linux && (386 || amd64 || arm || arm64 || loong64 || ppc64le || riscv64 || s390x)) || (windows && (386 || amd64 || arm64)))
+
+package db
+
+import (
+	"database/sql"
+	"fmt"
+
+	"github.com/ncruces/go-sqlite3"
+	"github.com/ncruces/go-sqlite3/driver"
+	_ "github.com/ncruces/go-sqlite3/embed"
+)
+
+func openDB(dbPath string) (*sql.DB, error) {
+	// Set pragmas for better performance.
+	pragmas := []string{
+		"PRAGMA foreign_keys = ON;",
+		"PRAGMA journal_mode = WAL;",
+		"PRAGMA page_size = 4096;",
+		"PRAGMA cache_size = -8000;",
+		"PRAGMA synchronous = NORMAL;",
+		"PRAGMA secure_delete = ON;",
+	}
+
+	db, err := driver.Open(dbPath, func(c *sqlite3.Conn) error {
+		for _, pragma := range pragmas {
+			if err := c.Exec(pragma); err != nil {
+				return fmt.Errorf("failed to set pragma %q: %w", pragma, err)
+			}
+		}
+		return nil
+	})
+	if err != nil {
+		return nil, fmt.Errorf("failed to open database: %w", err)
+	}
+	return db, nil
+}

internal/lsp/client.go 🔗

@@ -9,6 +9,7 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
+	"sync"
 	"sync/atomic"
 	"time"
 
@@ -21,6 +22,14 @@ import (
 	"github.com/charmbracelet/x/powernap/pkg/transport"
 )
 
+// DiagnosticCounts holds the count of diagnostics by severity.
+type DiagnosticCounts struct {
+	Error       int
+	Warning     int
+	Information int
+	Hint        int
+}
+
 type Client struct {
 	client *powernap.Client
 	name   string
@@ -37,6 +46,11 @@ type Client struct {
 	// Diagnostic cache
 	diagnostics *csync.VersionedMap[protocol.DocumentURI, []protocol.Diagnostic]
 
+	// Cached diagnostic counts to avoid map copy on every UI render.
+	diagCountsCache   DiagnosticCounts
+	diagCountsVersion uint64
+	diagCountsMu      sync.Mutex
+
 	// Files are currently opened by the LSP
 	openFiles *csync.Map[string, *OpenFileInfo]
 
@@ -350,7 +364,41 @@ func (c *Client) GetFileDiagnostics(uri protocol.DocumentURI) []protocol.Diagnos
 
 // GetDiagnostics returns all diagnostics for all files.
 func (c *Client) GetDiagnostics() map[protocol.DocumentURI][]protocol.Diagnostic {
-	return maps.Collect(c.diagnostics.Seq2())
+	return c.diagnostics.Copy()
+}
+
+// GetDiagnosticCounts returns cached diagnostic counts by severity.
+// Uses the VersionedMap version to avoid recomputing on every call.
+func (c *Client) GetDiagnosticCounts() DiagnosticCounts {
+	currentVersion := c.diagnostics.Version()
+
+	c.diagCountsMu.Lock()
+	defer c.diagCountsMu.Unlock()
+
+	if currentVersion == c.diagCountsVersion {
+		return c.diagCountsCache
+	}
+
+	// Recompute counts.
+	counts := DiagnosticCounts{}
+	for _, diags := range c.diagnostics.Seq2() {
+		for _, diag := range diags {
+			switch diag.Severity {
+			case protocol.SeverityError:
+				counts.Error++
+			case protocol.SeverityWarning:
+				counts.Warning++
+			case protocol.SeverityInformation:
+				counts.Information++
+			case protocol.SeverityHint:
+				counts.Hint++
+			}
+		}
+	}
+
+	c.diagCountsCache = counts
+	c.diagCountsVersion = currentVersion
+	return counts
 }
 
 // OpenFileOnDemand opens a file only if it's not already open.

internal/oauth/copilot/client.go 🔗

@@ -12,6 +12,8 @@ import (
 	"github.com/charmbracelet/crush/internal/log"
 )
 
+var assistantRolePattern = regexp.MustCompile(`"role"\s*:\s*"assistant"`)
+
 // NewClient creates a new HTTP client with a custom transport that adds the
 // X-Initiator header based on message history in the request body.
 func NewClient(isSubAgent, debug bool) *http.Client {
@@ -58,7 +60,6 @@ func (t *initiatorTransport) RoundTrip(req *http.Request) (*http.Response, error
 	// Check for assistant messages using regex to handle whitespace
 	// variations in the JSON while avoiding full unmarshalling overhead.
 	initiator := userInitiator
-	assistantRolePattern := regexp.MustCompile(`"role"\s*:\s*"assistant"`)
 	if assistantRolePattern.Match(bodyBytes) || t.isSubAgent {
 		slog.Debug("Setting X-Initiator header to agent (found assistant messages in history)")
 		initiator = agentInitiator

internal/tui/components/chat/header/header.go 🔗

@@ -15,7 +15,6 @@ import (
 	"github.com/charmbracelet/crush/internal/tui/styles"
 	"github.com/charmbracelet/crush/internal/tui/util"
 	"github.com/charmbracelet/x/ansi"
-	"github.com/charmbracelet/x/powernap/pkg/lsp/protocol"
 )
 
 type Header interface {
@@ -106,13 +105,7 @@ func (h *header) details(availWidth int) string {
 
 	errorCount := 0
 	for l := range h.lspClients.Seq() {
-		for _, diagnostics := range l.GetDiagnostics() {
-			for _, diagnostic := range diagnostics {
-				if diagnostic.Severity == protocol.SeverityError {
-					errorCount++
-				}
-			}
-		}
+		errorCount += l.GetDiagnosticCounts().Error
 	}
 
 	if errorCount > 0 {

internal/tui/components/lsp/lsp.go 🔗

@@ -11,7 +11,6 @@ import (
 	"github.com/charmbracelet/crush/internal/lsp"
 	"github.com/charmbracelet/crush/internal/tui/components/core"
 	"github.com/charmbracelet/crush/internal/tui/styles"
-	"github.com/charmbracelet/x/powernap/pkg/lsp/protocol"
 )
 
 // RenderOptions contains options for rendering LSP lists.
@@ -61,36 +60,23 @@ func RenderLSPList(lspClients *csync.Map[string, *lsp.Client], opts RenderOption
 		// Calculate diagnostic counts if we have LSP clients
 		var extraContent string
 		if lspClients != nil {
-			lspErrs := map[protocol.DiagnosticSeverity]int{
-				protocol.SeverityError:       0,
-				protocol.SeverityWarning:     0,
-				protocol.SeverityHint:        0,
-				protocol.SeverityInformation: 0,
-			}
 			if client, ok := lspClients.Get(l.Name); ok {
-				for _, diagnostics := range client.GetDiagnostics() {
-					for _, diagnostic := range diagnostics {
-						if severity, ok := lspErrs[diagnostic.Severity]; ok {
-							lspErrs[diagnostic.Severity] = severity + 1
-						}
-					}
+				counts := client.GetDiagnosticCounts()
+				errs := []string{}
+				if counts.Error > 0 {
+					errs = append(errs, t.S().Base.Foreground(t.Error).Render(fmt.Sprintf("%s %d", styles.ErrorIcon, counts.Error)))
 				}
+				if counts.Warning > 0 {
+					errs = append(errs, t.S().Base.Foreground(t.Warning).Render(fmt.Sprintf("%s %d", styles.WarningIcon, counts.Warning)))
+				}
+				if counts.Hint > 0 {
+					errs = append(errs, t.S().Base.Foreground(t.FgHalfMuted).Render(fmt.Sprintf("%s %d", styles.HintIcon, counts.Hint)))
+				}
+				if counts.Information > 0 {
+					errs = append(errs, t.S().Base.Foreground(t.FgHalfMuted).Render(fmt.Sprintf("%s %d", styles.InfoIcon, counts.Information)))
+				}
+				extraContent = strings.Join(errs, " ")
 			}
-
-			errs := []string{}
-			if lspErrs[protocol.SeverityError] > 0 {
-				errs = append(errs, t.S().Base.Foreground(t.Error).Render(fmt.Sprintf("%s %d", styles.ErrorIcon, lspErrs[protocol.SeverityError])))
-			}
-			if lspErrs[protocol.SeverityWarning] > 0 {
-				errs = append(errs, t.S().Base.Foreground(t.Warning).Render(fmt.Sprintf("%s %d", styles.WarningIcon, lspErrs[protocol.SeverityWarning])))
-			}
-			if lspErrs[protocol.SeverityHint] > 0 {
-				errs = append(errs, t.S().Base.Foreground(t.FgHalfMuted).Render(fmt.Sprintf("%s %d", styles.HintIcon, lspErrs[protocol.SeverityHint])))
-			}
-			if lspErrs[protocol.SeverityInformation] > 0 {
-				errs = append(errs, t.S().Base.Foreground(t.FgHalfMuted).Render(fmt.Sprintf("%s %d", styles.InfoIcon, lspErrs[protocol.SeverityInformation])))
-			}
-			extraContent = strings.Join(errs, " ")
 		}
 
 		lspList = append(lspList,