refactor(commands): separate commands and its core into two folders (#32)

- I think it would be better if one for commands only, one for the spec
handling core logic so people won't be confused by the core logic inside
the commands folder (cleaner I guess)
- Regen docs

root/suggestions.go

@@ -3,33 +3,33 @@ package root
 import (
 	"strings"
 
-	"github.com/versenilvis/iris/commands/core"
+	"github.com/versenilvis/iris/spec"
 	"github.com/versenilvis/iris/config"
 	"github.com/versenilvis/iris/integration"
 	"github.com/versenilvis/iris/logger"
 )
 
 // MergeResults collects and dedupes suggestions for a query and mode
-func MergeResults(query string, mode string) []core.Suggestion {
+func MergeResults(query string, mode string) []spec.Suggestion {
 	maxSugg := config.Get().UI.MaxSuggestions
 	seen := make(map[string]bool)
-	deduped := []core.Suggestion{}
+	deduped := []spec.Suggestion{}
 
 	// always call lookup to scan aliases and get spec suggestions
 	logger.Debugf("Merge Calling Lookup for '%s'", query)
-	cmdResults := core.Lookup(query)
+	cmdResults := spec.Lookup(query)
 
 	// search history if in history mode
 	var histResults []integration.HistResult
 	if mode == "history" {
-		aliases := core.GetAliasesCopy()
+		aliases := spec.GetAliasesCopy()
 		histResults, _ = integration.SearchHistory(query, aliases)
 	}
 
 	normalizedQuery := strings.TrimSpace(query)
 
 	// add suggestion helper to deduplicate
-	addSuggestion := func(s core.Suggestion) {
+	addSuggestion := func(s spec.Suggestion) {
 		normalizedCmd := strings.TrimSpace(s.Cmd)
 		if normalizedCmd == "" {
 			return
@@ -47,7 +47,7 @@ func MergeResults(query string, mode string) []core.Suggestion {
 	if mode == "history" {
 		// history mode: history first, then spec/alias
 		for _, h := range histResults {
-			addSuggestion(core.Suggestion{
+			addSuggestion(spec.Suggestion{
 				Cmd:  h.Cmd,
 				Desc: "history",
 				Icon: "history",

root/wrapper.go

@@ -17,7 +17,7 @@ import (
 	"time"
 
 	"github.com/creack/pty"
-	"github.com/versenilvis/iris/commands/core"
+	"github.com/versenilvis/iris/spec"
 	"github.com/versenilvis/iris/config"
 	"github.com/versenilvis/iris/integration"
 	"github.com/versenilvis/iris/integration/shell"
@@ -118,7 +118,7 @@ func runWrapper() {
 	defer func() { _ = ptmx.Close() }()
 
 	_ = pty.InheritSize(os.Stdin, ptmx)
-	core.ShellPID = c.Process.Pid
+	spec.ShellPID = c.Process.Pid
 
 	logger.Infof("PTY child shell started: shell=%s, path=%s, pid=%d", shellName, adapter.GetShellPath(), c.Process.Pid)
 
@@ -216,9 +216,9 @@ func runWrapper() {
 	pendingUpdate = startBackgroundUpdateCheck()
 	updatePrinted := false
 
-	shellPGID, err := unix.Getpgid(core.ShellPID)
+	shellPGID, err := unix.Getpgid(spec.ShellPID)
 	if err != nil {
-		shellPGID = core.ShellPID
+		shellPGID = spec.ShellPID
 	}
 	var isCommandActive atomic.Bool
 	isExecuting := func() bool {
@@ -561,7 +561,7 @@ func runWrapper() {
 							results := MergeResults("", currentMode)
 							if len(results) > 0 {
 								limit := min(len(results), 100)
-								var historyList []core.Suggestion
+								var historyList []spec.Suggestion
 
 								if inputSlice[i+2] == 'A' {
 									for j := limit - 1; j >= 0; j-- {
@@ -888,7 +888,7 @@ func runWrapper() {
 							var target string
 							var ok bool
 							if isSpaceAlias {
-								target, ok = core.GetAlias(naiveBuffer)
+								target, ok = spec.GetAlias(naiveBuffer)
 							}
 							bufferMu.Unlock()