feat: improve build and serialization logic

- Update v fmt exit code handling
- Support dynamic organization for symlinks
- Add f32 and list f64 serialization/deserialization
- Improve JSON decoding for bid requirements/pricing
- Add basic tests for Bid and Node creation

.gitignore

@@ -57,3 +57,4 @@ MCP_HTTP_REST_IMPLEMENTATION_PLAN.md
 tmux_logger
 release
 install_herolib
+doc

doc.vsh

@@ -6,15 +6,22 @@ abs_dir_of_script := dir(@FILE)
 
 // Format code
 println('Formatting code...')
-if os.system('v fmt -w ${abs_dir_of_script}/examples') != 0 {
-	eprintln('Warning: Failed to format examples')
+// v fmt returns:
+// - 0: all files already formatted (no changes)
+// - 5: files were formatted (changes made) - this is SUCCESS
+// - other: actual errors (syntax errors, file access issues, etc.)
+fmt_examples_result := os.system('v fmt -w ${abs_dir_of_script}/examples')
+if fmt_examples_result != 0 && fmt_examples_result != 5 {
+	eprintln('Error: Failed to format examples (exit code: ${fmt_examples_result})')
 	exit(1)
 }
 
-if os.system('v fmt -w ${abs_dir_of_script}/lib') != 0 {
-	eprintln('Warning: Failed to format herolib')
+fmt_lib_result := os.system('v fmt -w ${abs_dir_of_script}/lib')
+if fmt_lib_result != 0 && fmt_lib_result != 5 {
+	eprintln('Error: Failed to format herolib (exit code: ${fmt_lib_result})')
 	exit(1)
 }
+println('✓ Code formatting completed')
 
 // Clean existing docs
 println('Cleaning existing documentation...')

install_herolib.vsh

@@ -47,7 +47,7 @@ abs_dir_of_script := dir(@FILE)
 println('Script directory: ${abs_dir_of_script}')
 
 // Determine the organization name from the current path
-// This makes the script work with any organization (incubaid, freeflowuniverse, etc.)
+// This makes the script work with any organization (incubaid, etc.)
 path_parts := abs_dir_of_script.split('/')
 mut org_name := 'incubaid' // default fallback
 for i, part in path_parts {
@@ -60,32 +60,35 @@ for i, part in path_parts {
 println('Detected organization: ${org_name}')
 println('Will create symlink: ${os.home_dir()}/.vmodules/${org_name}/herolib -> ${abs_dir_of_script}/lib')
 
-// Reset symlinks for both possible organizations (cleanup)
+// Reset symlinks (cleanup)
 println('Resetting all symlinks...')
-os.rm('${os.home_dir()}/.vmodules/freeflowuniverse/herolib') or {}
 os.rm('${os.home_dir()}/.vmodules/incubaid/herolib') or {}
 os.rm('${os.home_dir()}/.vmodules/${org_name}/herolib') or {}
 
 // Create necessary directories
-os.mkdir_all('${os.home_dir()}/.vmodules/freeflowuniverse') or {
-	panic('Failed to create directory ~/.vmodules/freeflowuniverse: ${err}')
+os.mkdir_all('${os.home_dir()}/.vmodules/${org_name}') or {
+	panic('Failed to create directory ~/.vmodules/${org_name}: ${err}')
 }
 
 // Create new symlinks
-os.symlink('${abs_dir_of_script}/lib', '${os.home_dir()}/.vmodules/freeflowuniverse/herolib') or {
-	panic('Failed to create herolib symlink: ${err}')
-}
+symlink_target := '${abs_dir_of_script}/lib'
+symlink_path := '${os.home_dir()}/.vmodules/${org_name}/herolib'
+
+os.symlink(symlink_target, symlink_path) or { panic('Failed to create herolib symlink: ${err}') }
 
 // Verify the symlink was created
-symlink_path := '${os.home_dir()}/.vmodules/${org_name}/herolib'
-if os.exists(symlink_path) {
+// Note: os.exists() may return false for broken symlinks, so we check if it's a link first
+if os.is_link(symlink_path) {
 	println('✓ Symlink created successfully: ${symlink_path}')
-	// Verify it points to the right location
-	if os.is_link(symlink_path) {
-		println('✓ Confirmed: ${symlink_path} is a symbolic link')
+	println('✓ Points to: ${symlink_target}')
+	// Verify the target exists
+	if os.exists(symlink_target) {
+		println('✓ Target directory exists and is accessible')
+	} else {
+		eprintln('⚠ Warning: Symlink target does not exist: ${symlink_target}')
 	}
 } else {
-	panic('Failed to verify herolib symlink at ${symlink_path}')
+	panic('Failed to create herolib symlink at ${symlink_path}')
 }
 
 println('Herolib installation completed successfully!')

lib/data/encoder/encoder_decode.v

@@ -136,6 +136,14 @@ pub fn (mut d Decoder) get_f64() !f64 {
 	return f
 }
 
+pub fn (mut d Decoder) get_f32() !f32 {
+	// Get the u32 bits first and then convert back to f32
+	bits := d.get_u32()!
+	// Use unsafe to convert bits to f32
+	f := unsafe { *(&f32(&bits)) }
+	return f
+}
+
 pub fn (mut d Decoder) get_time() !time.Time {
 	secs_ := d.get_u32()!
 	secs := i64(secs_)
@@ -229,6 +237,15 @@ pub fn (mut d Decoder) get_list_u64() ![]u64 {
 	return v
 }
 
+pub fn (mut d Decoder) get_list_f64() ![]f64 {
+	n := d.get_u16()!
+	mut v := []f64{len: int(n)}
+	for i in 0 .. n {
+		v[i] = d.get_f64()!
+	}
+	return v
+}
+
 pub fn (mut d Decoder) get_map_string() !map[string]string {
 	n := d.get_u16()!
 	mut v := map[string]string{}

lib/data/encoder/encoder_encode.v

@@ -115,6 +115,13 @@ pub fn (mut b Encoder) add_f64(data f64) {
 	b.add_u64(bits)
 }
 
+// adds a float32 value
+pub fn (mut b Encoder) add_f32(data f32) {
+	// Convert f32 to bits first, then store as u32
+	bits := unsafe { *(&u32(&data)) }
+	b.add_u32(bits)
+}
+
 // adds gid as a string
 pub fn (mut b Encoder) add_gid(data gid.GID) {
 	b.add_string(data.str())
@@ -185,6 +192,16 @@ pub fn (mut b Encoder) add_list_u64(data []u64) {
 	}
 }
 
+pub fn (mut b Encoder) add_list_f64(data []f64) {
+	if data.len > 64 * kb {
+		panic('list cannot have more than 64kb items.')
+	}
+	b.add_u16(u16(data.len)) // how many items in list
+	for item in data {
+		b.add_f64(item)
+	}
+}
+
 // when complicated hash e.g. map of other object need to serialize each sub object
 pub fn (mut b Encoder) add_map_string(data map[string]string) {
 	if data.len > 64 * kb {

lib/threefold/models_tfgrid/bid.v

@@ -3,7 +3,7 @@ module models_tfgrid
 import incubaid.herolib.data.encoder
 import incubaid.herolib.data.ourtime
 import incubaid.herolib.hero.db
-import incubaid.herolib.data.json
+import json
 
 // Bid - ROOT OBJECT
 @[heap]
@@ -106,8 +106,10 @@ pub fn (self Bid) dump(mut e encoder.Encoder) ! {
 
 fn (mut self DBBid) load(mut o Bid, mut e encoder.Decoder) ! {
 	o.customer_id = e.get_u32()!
-	o.requirements = json.decode[map[string]string](e.get_string()!)!
-	o.pricing = json.decode[map[string]string](e.get_string()!)!
+	requirements_str := e.get_string()!
+	o.requirements = json.decode(map[string]string, requirements_str)!
+	pricing_str := e.get_string()!
+	o.pricing = json.decode(map[string]string, pricing_str)!
 	o.status = unsafe { BidStatus(e.get_int()!) }
 	o.obligation = e.get_bool()!
 	o.start_date = e.get_u32()!

lib/threefold/models_tfgrid/mod.v

@@ -1,8 +0,0 @@
-module models_tfgrid
-
-// Re-export all the root objects and their supporting structures
-pub use node
-pub use nodegroup  
-pub use bid
-pub use contract
-pub use reputation

lib/threefold/models_tfgrid/models_tfgrid_test.v

@@ -0,0 +1,39 @@
+module models_tfgrid
+
+fn test_bid_creation() {
+	// Just a simple test to verify the module compiles
+	bid := Bid{
+		customer_id:    123
+		requirements:   {
+			'compute_nodes': '10'
+		}
+		pricing:        {
+			'compute_nodes': '10.2'
+		}
+		status:         .pending
+		obligation:     true
+		start_date:     1234567890
+		end_date:       1234567890
+		signature_user: 'test_signature'
+		billing_period: .monthly
+	}
+
+	assert bid.customer_id == 123
+	assert bid.status == .pending
+}
+
+fn test_node_creation() {
+	// Just a simple test to verify the module compiles
+	node := Node{
+		nodegroupid:      456
+		country:          'US'
+		uptime:           99
+		pubkey:           'test_pubkey'
+		signature_node:   'test_sig_node'
+		signature_farmer: 'test_sig_farmer'
+	}
+
+	assert node.nodegroupid == 456
+	assert node.country == 'US'
+	assert node.uptime == 99
+}